Home / 102,382.92-141,344.19-70,722.18

Finding the Fourth Proportional to 102,382.92, 141,344.19 and 70,722.18

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Solution

The fourth proportional to 102,382.92, 141,344.19 and 70,722.18 is: 97,635.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,382.92 : 141,344.19 = 70,722.18 : x
  2. Step 2: Convert to fraction form
    102,382.92/141,344.19 = 70,722.18/x
  3. Step 3: Cross multiply
    102,382.92x = 141,344.19 × 70,722.18
  4. Step 4: Simplify right side
    102,382.92x = 9,996,169,247.13
  5. Step 5: Solve for x
    x = 9,996,169,247.13/102,382.92
  6. Step 6: Final answer
    x = 97,635.13

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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.