Home / 92,188.86-138,285.04-29,007.78

Finding the Fourth Proportional to 92,188.86, 138,285.04 and 29,007.78

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Solution

The fourth proportional to 92,188.86, 138,285.04 and 29,007.78 is: 43,512.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,188.86 : 138,285.04 = 29,007.78 : x
  2. Step 2: Convert to fraction form
    92,188.86/138,285.04 = 29,007.78/x
  3. Step 3: Cross multiply
    92,188.86x = 138,285.04 × 29,007.78
  4. Step 4: Simplify right side
    92,188.86x = 4,011,342,017.61
  5. Step 5: Solve for x
    x = 4,011,342,017.61/92,188.86
  6. Step 6: Final answer
    x = 43,512.22

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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.