Home / 102,301.92-141,215.04-75,658.86

Finding the Fourth Proportional to 102,301.92, 141,215.04 and 75,658.86

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Solution

The fourth proportional to 102,301.92, 141,215.04 and 75,658.86 is: 104,437.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,301.92 : 141,215.04 = 75,658.86 : x
  2. Step 2: Convert to fraction form
    102,301.92/141,215.04 = 75,658.86/x
  3. Step 3: Cross multiply
    102,301.92x = 141,215.04 × 75,658.86
  4. Step 4: Simplify right side
    102,301.92x = 10,684,168,941.25
  5. Step 5: Solve for x
    x = 10,684,168,941.25/102,301.92
  6. Step 6: Final answer
    x = 104,437.62

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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.