Home / 187,728.31-259,063.52-101,685.29

Finding the Fourth Proportional to 187,728.31, 259,063.52 and 101,685.29

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Solution

The fourth proportional to 187,728.31, 259,063.52 and 101,685.29 is: 140,324.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,728.31 : 259,063.52 = 101,685.29 : x
  2. Step 2: Convert to fraction form
    187,728.31/259,063.52 = 101,685.29/x
  3. Step 3: Cross multiply
    187,728.31x = 259,063.52 × 101,685.29
  4. Step 4: Simplify right side
    187,728.31x = 26,342,949,298.85
  5. Step 5: Solve for x
    x = 26,342,949,298.85/187,728.31
  6. Step 6: Final answer
    x = 140,324.86

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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.