Home / 102,417.14-141,336.24-57,098

Finding the Fourth Proportional to 102,417.14, 141,336.24 and 57,098

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Solution

The fourth proportional to 102,417.14, 141,336.24 and 57,098 is: 78,795.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,417.14 : 141,336.24 = 57,098 : x
  2. Step 2: Convert to fraction form
    102,417.14/141,336.24 = 57,098/x
  3. Step 3: Cross multiply
    102,417.14x = 141,336.24 × 57,098
  4. Step 4: Simplify right side
    102,417.14x = 8,070,016,631.52
  5. Step 5: Solve for x
    x = 8,070,016,631.52/102,417.14
  6. Step 6: Final answer
    x = 78,795.57

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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.