Home / 100,403.04-150,597.44-47,106.72

Finding the Fourth Proportional to 100,403.04, 150,597.44 and 47,106.72

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Solution

The fourth proportional to 100,403.04, 150,597.44 and 47,106.72 is: 70,656.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,403.04 : 150,597.44 = 47,106.72 : x
  2. Step 2: Convert to fraction form
    100,403.04/150,597.44 = 47,106.72/x
  3. Step 3: Cross multiply
    100,403.04x = 150,597.44 × 47,106.72
  4. Step 4: Simplify right side
    100,403.04x = 7,094,151,438.80
  5. Step 5: Solve for x
    x = 7,094,151,438.80/100,403.04
  6. Step 6: Final answer
    x = 70,656.74

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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.