Home / 132,498.34-182,831.07-89,571.21

Finding the Fourth Proportional to 132,498.34, 182,831.07 and 89,571.21

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Solution

The fourth proportional to 132,498.34, 182,831.07 and 89,571.21 is: 123,597.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,498.34 : 182,831.07 = 89,571.21 : x
  2. Step 2: Convert to fraction form
    132,498.34/182,831.07 = 89,571.21/x
  3. Step 3: Cross multiply
    132,498.34x = 182,831.07 × 89,571.21
  4. Step 4: Simplify right side
    132,498.34x = 16,376,399,815.77
  5. Step 5: Solve for x
    x = 16,376,399,815.77/132,498.34
  6. Step 6: Final answer
    x = 123,597.02

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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.