Home / 122,831.92-169,528.68-71,141.44

Finding the Fourth Proportional to 122,831.92, 169,528.68 and 71,141.44

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Solution

The fourth proportional to 122,831.92, 169,528.68 and 71,141.44 is: 98,187.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,831.92 : 169,528.68 = 71,141.44 : x
  2. Step 2: Convert to fraction form
    122,831.92/169,528.68 = 71,141.44/x
  3. Step 3: Cross multiply
    122,831.92x = 169,528.68 × 71,141.44
  4. Step 4: Simplify right side
    122,831.92x = 12,060,514,416.50
  5. Step 5: Solve for x
    x = 12,060,514,416.50/122,831.92
  6. Step 6: Final answer
    x = 98,187.14

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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.