Home / 187,610.08-258,915.54-107,039.38

Finding the Fourth Proportional to 187,610.08, 258,915.54 and 107,039.38

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Solution

The fourth proportional to 187,610.08, 258,915.54 and 107,039.38 is: 147,722.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,610.08 : 258,915.54 = 107,039.38 : x
  2. Step 2: Convert to fraction form
    187,610.08/258,915.54 = 107,039.38/x
  3. Step 3: Cross multiply
    187,610.08x = 258,915.54 × 107,039.38
  4. Step 4: Simplify right side
    187,610.08x = 27,714,158,873.97
  5. Step 5: Solve for x
    x = 27,714,158,873.97/187,610.08
  6. Step 6: Final answer
    x = 147,722.12

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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.