Home / 155,091.11-232,637.87-84,932.15

Finding the Fourth Proportional to 155,091.11, 232,637.87 and 84,932.15

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Solution

The fourth proportional to 155,091.11, 232,637.87 and 84,932.15 is: 127,398.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,091.11 : 232,637.87 = 84,932.15 : x
  2. Step 2: Convert to fraction form
    155,091.11/232,637.87 = 84,932.15/x
  3. Step 3: Cross multiply
    155,091.11x = 232,637.87 × 84,932.15
  4. Step 4: Simplify right side
    155,091.11x = 19,758,433,519.66
  5. Step 5: Solve for x
    x = 19,758,433,519.66/155,091.11
  6. Step 6: Final answer
    x = 127,398.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.