Home / 132,264.69-182,419.70-86,989.16

Finding the Fourth Proportional to 132,264.69, 182,419.70 and 86,989.16

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Solution

The fourth proportional to 132,264.69, 182,419.70 and 86,989.16 is: 119,975.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,264.69 : 182,419.70 = 86,989.16 : x
  2. Step 2: Convert to fraction form
    132,264.69/182,419.70 = 86,989.16/x
  3. Step 3: Cross multiply
    132,264.69x = 182,419.70 × 86,989.16
  4. Step 4: Simplify right side
    132,264.69x = 15,868,536,470.45
  5. Step 5: Solve for x
    x = 15,868,536,470.45/132,264.69
  6. Step 6: Final answer
    x = 119,975.61

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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.