Home / 122,614.73-169,202.87-71,632.18

Finding the Fourth Proportional to 122,614.73, 169,202.87 and 71,632.18

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Solution

The fourth proportional to 122,614.73, 169,202.87 and 71,632.18 is: 98,849.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,614.73 : 169,202.87 = 71,632.18 : x
  2. Step 2: Convert to fraction form
    122,614.73/169,202.87 = 71,632.18/x
  3. Step 3: Cross multiply
    122,614.73x = 169,202.87 × 71,632.18
  4. Step 4: Simplify right side
    122,614.73x = 12,120,369,594.34
  5. Step 5: Solve for x
    x = 12,120,369,594.34/122,614.73
  6. Step 6: Final answer
    x = 98,849.22

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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.