Home / 102,233.60-141,082.08-57,521.60

Finding the Fourth Proportional to 102,233.60, 141,082.08 and 57,521.60

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Solution

The fourth proportional to 102,233.60, 141,082.08 and 57,521.60 is: 79,379.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,233.60 : 141,082.08 = 57,521.60 : x
  2. Step 2: Convert to fraction form
    102,233.60/141,082.08 = 57,521.60/x
  3. Step 3: Cross multiply
    102,233.60x = 141,082.08 × 57,521.60
  4. Step 4: Simplify right side
    102,233.60x = 8,115,266,972.93
  5. Step 5: Solve for x
    x = 8,115,266,972.93/102,233.60
  6. Step 6: Final answer
    x = 79,379.65

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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.