Home / 136,010.97-187,689.02-75,581.33

Finding the Fourth Proportional to 136,010.97, 187,689.02 and 75,581.33

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Solution

The fourth proportional to 136,010.97, 187,689.02 and 75,581.33 is: 104,298.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,010.97 : 187,689.02 = 75,581.33 : x
  2. Step 2: Convert to fraction form
    136,010.97/187,689.02 = 75,581.33/x
  3. Step 3: Cross multiply
    136,010.97x = 187,689.02 × 75,581.33
  4. Step 4: Simplify right side
    136,010.97x = 14,185,784,441.64
  5. Step 5: Solve for x
    x = 14,185,784,441.64/136,010.97
  6. Step 6: Final answer
    x = 104,298.83

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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.