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Finding the Fourth Proportional to 119,572.56, 179,298 and 66,967.92

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Solution

The fourth proportional to 119,572.56, 179,298 and 66,967.92 is: 100,417.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,572.56 : 179,298 = 66,967.92 : x
  2. Step 2: Convert to fraction form
    119,572.56/179,298 = 66,967.92/x
  3. Step 3: Cross multiply
    119,572.56x = 179,298 × 66,967.92
  4. Step 4: Simplify right side
    119,572.56x = 12,007,214,120.16
  5. Step 5: Solve for x
    x = 12,007,214,120.16/119,572.56
  6. Step 6: Final answer
    x = 100,417.81

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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.