Home / 187,002.68-258,053.46-115,387.88

Finding the Fourth Proportional to 187,002.68, 258,053.46 and 115,387.88

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Solution

The fourth proportional to 187,002.68, 258,053.46 and 115,387.88 is: 159,228.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,002.68 : 258,053.46 = 115,387.88 : x
  2. Step 2: Convert to fraction form
    187,002.68/258,053.46 = 115,387.88/x
  3. Step 3: Cross multiply
    187,002.68x = 258,053.46 × 115,387.88
  4. Step 4: Simplify right side
    187,002.68x = 29,776,241,676.06
  5. Step 5: Solve for x
    x = 29,776,241,676.06/187,002.68
  6. Step 6: Final answer
    x = 159,228.96

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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.