Home / 207,272.92-310,909.38-74,145.10

Finding the Fourth Proportional to 207,272.92, 310,909.38 and 74,145.10

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Solution

The fourth proportional to 207,272.92, 310,909.38 and 74,145.10 is: 111,217.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,272.92 : 310,909.38 = 74,145.10 : x
  2. Step 2: Convert to fraction form
    207,272.92/310,909.38 = 74,145.10/x
  3. Step 3: Cross multiply
    207,272.92x = 310,909.38 × 74,145.10
  4. Step 4: Simplify right side
    207,272.92x = 23,052,407,071.04
  5. Step 5: Solve for x
    x = 23,052,407,071.04/207,272.92
  6. Step 6: Final answer
    x = 111,217.65

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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.