Home / 124,721.17-187,097.65-57,236.83

Finding the Fourth Proportional to 124,721.17, 187,097.65 and 57,236.83

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Solution

The fourth proportional to 124,721.17, 187,097.65 and 57,236.83 is: 85,862.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,721.17 : 187,097.65 = 57,236.83 : x
  2. Step 2: Convert to fraction form
    124,721.17/187,097.65 = 57,236.83/x
  3. Step 3: Cross multiply
    124,721.17x = 187,097.65 × 57,236.83
  4. Step 4: Simplify right side
    124,721.17x = 10,708,875,775.61
  5. Step 5: Solve for x
    x = 10,708,875,775.61/124,721.17
  6. Step 6: Final answer
    x = 85,862.54

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1.5x scale

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.