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Finding the Fourth Proportional to 119,491.47, 179,266.37 and 36,385.47

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Solution

The fourth proportional to 119,491.47, 179,266.37 and 36,385.47 is: 54,587.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,491.47 : 179,266.37 = 36,385.47 : x
  2. Step 2: Convert to fraction form
    119,491.47/179,266.37 = 36,385.47/x
  3. Step 3: Cross multiply
    119,491.47x = 179,266.37 × 36,385.47
  4. Step 4: Simplify right side
    119,491.47x = 6,522,690,945.72
  5. Step 5: Solve for x
    x = 6,522,690,945.72/119,491.47
  6. Step 6: Final answer
    x = 54,587.08

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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.