Home / 474,144-711,216-123,936

Finding the Fourth Proportional to 474,144, 711,216 and 123,936

Calculator

Solution

The fourth proportional to 474,144, 711,216 and 123,936 is: 185,904

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,144 : 711,216 = 123,936 : x
  2. Step 2: Convert to fraction form
    474,144/711,216 = 123,936/x
  3. Step 3: Cross multiply
    474,144x = 711,216 × 123,936
  4. Step 4: Simplify right side
    474,144x = 88,145,266,176
  5. Step 5: Solve for x
    x = 88,145,266,176/474,144
  6. Step 6: Final answer
    x = 185,904

Related Problems

Find fourth proportional to 237,072, 355,608 and 61,968
Half scale
Find fourth proportional to 948,288, 1,422,432 and 247,872
Double scale
Find fourth proportional to 474,145, 711,217.50 and 123,937
Similar ratio
Find fourth proportional to 711,216, 1,066,824 and 185,904
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.