Home / 145,174-217,761-46,678

Finding the Fourth Proportional to 145,174, 217,761 and 46,678

Calculator

Solution

The fourth proportional to 145,174, 217,761 and 46,678 is: 70,017

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,174 : 217,761 = 46,678 : x
  2. Step 2: Convert to fraction form
    145,174/217,761 = 46,678/x
  3. Step 3: Cross multiply
    145,174x = 217,761 × 46,678
  4. Step 4: Simplify right side
    145,174x = 10,164,647,958
  5. Step 5: Solve for x
    x = 10,164,647,958/145,174
  6. Step 6: Final answer
    x = 70,017

Related Problems

Find fourth proportional to 72,587, 108,880.50 and 23,339
Half scale
Find fourth proportional to 290,348, 435,522 and 93,356
Double scale
Find fourth proportional to 145,175, 217,762.50 and 46,679
Similar ratio
Find fourth proportional to 217,761, 326,641.50 and 70,017
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.