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Finding the Fourth Proportional to 119,334.86, 164,641.11 and 73,996.52

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Solution

The fourth proportional to 119,334.86, 164,641.11 and 73,996.52 is: 102,089.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,334.86 : 164,641.11 = 73,996.52 : x
  2. Step 2: Convert to fraction form
    119,334.86/164,641.11 = 73,996.52/x
  3. Step 3: Cross multiply
    119,334.86x = 164,641.11 × 73,996.52
  4. Step 4: Simplify right side
    119,334.86x = 12,182,869,188.94
  5. Step 5: Solve for x
    x = 12,182,869,188.94/119,334.86
  6. Step 6: Final answer
    x = 102,089.78

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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.