Home / 102,436.14-141,344.75-57,104.19

Finding the Fourth Proportional to 102,436.14, 141,344.75 and 57,104.19

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Solution

The fourth proportional to 102,436.14, 141,344.75 and 57,104.19 is: 78,794.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,436.14 : 141,344.75 = 57,104.19 : x
  2. Step 2: Convert to fraction form
    102,436.14/141,344.75 = 57,104.19/x
  3. Step 3: Cross multiply
    102,436.14x = 141,344.75 × 57,104.19
  4. Step 4: Simplify right side
    102,436.14x = 8,071,377,281.05
  5. Step 5: Solve for x
    x = 8,071,377,281.05/102,436.14
  6. Step 6: Final answer
    x = 78,794.23

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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.