Home / 165,137.52-227,888.49-89,686.02

Finding the Fourth Proportional to 165,137.52, 227,888.49 and 89,686.02

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Solution

The fourth proportional to 165,137.52, 227,888.49 and 89,686.02 is: 123,766.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,137.52 : 227,888.49 = 89,686.02 : x
  2. Step 2: Convert to fraction form
    165,137.52/227,888.49 = 89,686.02/x
  3. Step 3: Cross multiply
    165,137.52x = 227,888.49 × 89,686.02
  4. Step 4: Simplify right side
    165,137.52x = 20,438,411,671.91
  5. Step 5: Solve for x
    x = 20,438,411,671.91/165,137.52
  6. Step 6: Final answer
    x = 123,766.01

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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.