Home / 165,142.47-227,897.79-89,690.97

Finding the Fourth Proportional to 165,142.47, 227,897.79 and 89,690.97

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Solution

The fourth proportional to 165,142.47, 227,897.79 and 89,690.97 is: 123,774.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,142.47 : 227,897.79 = 89,690.97 : x
  2. Step 2: Convert to fraction form
    165,142.47/227,897.79 = 89,690.97/x
  3. Step 3: Cross multiply
    165,142.47x = 227,897.79 × 89,690.97
  4. Step 4: Simplify right side
    165,142.47x = 20,440,373,845.96
  5. Step 5: Solve for x
    x = 20,440,373,845.96/165,142.47
  6. Step 6: Final answer
    x = 123,774.18

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1.5x scale

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.