Home / 102,247.71-141,052.38-65,939.58

Finding the Fourth Proportional to 102,247.71, 141,052.38 and 65,939.58

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Solution

The fourth proportional to 102,247.71, 141,052.38 and 65,939.58 is: 90,964.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,247.71 : 141,052.38 = 65,939.58 : x
  2. Step 2: Convert to fraction form
    102,247.71/141,052.38 = 65,939.58/x
  3. Step 3: Cross multiply
    102,247.71x = 141,052.38 × 65,939.58
  4. Step 4: Simplify right side
    102,247.71x = 9,300,934,695.20
  5. Step 5: Solve for x
    x = 9,300,934,695.20/102,247.71
  6. Step 6: Final answer
    x = 90,964.72

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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.