Home / 165,194.40-227,957.04-89,741.28

Finding the Fourth Proportional to 165,194.40, 227,957.04 and 89,741.28

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Solution

The fourth proportional to 165,194.40, 227,957.04 and 89,741.28 is: 123,836.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,194.40 : 227,957.04 = 89,741.28 : x
  2. Step 2: Convert to fraction form
    165,194.40/227,957.04 = 89,741.28/x
  3. Step 3: Cross multiply
    165,194.40x = 227,957.04 × 89,741.28
  4. Step 4: Simplify right side
    165,194.40x = 20,457,156,554.61
  5. Step 5: Solve for x
    x = 20,457,156,554.61/165,194.40
  6. Step 6: Final answer
    x = 123,836.86

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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.