Home / 92,330.76-138,440.70-36,103.86

Finding the Fourth Proportional to 92,330.76, 138,440.70 and 36,103.86

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Solution

The fourth proportional to 92,330.76, 138,440.70 and 36,103.86 is: 54,134.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,330.76 : 138,440.70 = 36,103.86 : x
  2. Step 2: Convert to fraction form
    92,330.76/138,440.70 = 36,103.86/x
  3. Step 3: Cross multiply
    92,330.76x = 138,440.70 × 36,103.86
  4. Step 4: Simplify right side
    92,330.76x = 4,998,243,651.10
  5. Step 5: Solve for x
    x = 4,998,243,651.10/92,330.76
  6. Step 6: Final answer
    x = 54,134.11

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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.