Home / 99,718.20-137,331.18-97,540.92

Finding the Fourth Proportional to 99,718.20, 137,331.18 and 97,540.92

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Solution

The fourth proportional to 99,718.20, 137,331.18 and 97,540.92 is: 134,332.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,718.20 : 137,331.18 = 97,540.92 : x
  2. Step 2: Convert to fraction form
    99,718.20/137,331.18 = 97,540.92/x
  3. Step 3: Cross multiply
    99,718.20x = 137,331.18 × 97,540.92
  4. Step 4: Simplify right side
    99,718.20x = 13,395,409,641.89
  5. Step 5: Solve for x
    x = 13,395,409,641.89/99,718.20
  6. Step 6: Final answer
    x = 134,332.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.