Home / 123,935.40-185,974.92-52,854.21

Finding the Fourth Proportional to 123,935.40, 185,974.92 and 52,854.21

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Solution

The fourth proportional to 123,935.40, 185,974.92 and 52,854.21 is: 79,311.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,935.40 : 185,974.92 = 52,854.21 : x
  2. Step 2: Convert to fraction form
    123,935.40/185,974.92 = 52,854.21/x
  3. Step 3: Cross multiply
    123,935.40x = 185,974.92 × 52,854.21
  4. Step 4: Simplify right side
    123,935.40x = 9,829,557,476.41
  5. Step 5: Solve for x
    x = 9,829,557,476.41/123,935.40
  6. Step 6: Final answer
    x = 79,311.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.