Home / 102,383.68-141,270.78-57,060.52

Finding the Fourth Proportional to 102,383.68, 141,270.78 and 57,060.52

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Solution

The fourth proportional to 102,383.68, 141,270.78 and 57,060.52 is: 78,733.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,383.68 : 141,270.78 = 57,060.52 : x
  2. Step 2: Convert to fraction form
    102,383.68/141,270.78 = 57,060.52/x
  3. Step 3: Cross multiply
    102,383.68x = 141,270.78 × 57,060.52
  4. Step 4: Simplify right side
    102,383.68x = 8,060,984,167.61
  5. Step 5: Solve for x
    x = 8,060,984,167.61/102,383.68
  6. Step 6: Final answer
    x = 78,733.10

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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.