Home / 102,382.29-141,288.26-57,063.19

Finding the Fourth Proportional to 102,382.29, 141,288.26 and 57,063.19

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Solution

The fourth proportional to 102,382.29, 141,288.26 and 57,063.19 is: 78,747.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,382.29 : 141,288.26 = 57,063.19 : x
  2. Step 2: Convert to fraction form
    102,382.29/141,288.26 = 57,063.19/x
  3. Step 3: Cross multiply
    102,382.29x = 141,288.26 × 57,063.19
  4. Step 4: Simplify right side
    102,382.29x = 8,062,358,612.02
  5. Step 5: Solve for x
    x = 8,062,358,612.02/102,382.29
  6. Step 6: Final answer
    x = 78,747.59

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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.