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Finding the Fourth Proportional to 119,952.39, 180,038.34 and 60,828.87

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Solution

The fourth proportional to 119,952.39, 180,038.34 and 60,828.87 is: 91,298.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,952.39 : 180,038.34 = 60,828.87 : x
  2. Step 2: Convert to fraction form
    119,952.39/180,038.34 = 60,828.87/x
  3. Step 3: Cross multiply
    119,952.39x = 180,038.34 × 60,828.87
  4. Step 4: Simplify right side
    119,952.39x = 10,951,528,778.88
  5. Step 5: Solve for x
    x = 10,951,528,778.88/119,952.39
  6. Step 6: Final answer
    x = 91,298.96

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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.