Home / 187,587.10-258,870.18-102,704.14

Finding the Fourth Proportional to 187,587.10, 258,870.18 and 102,704.14

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Solution

The fourth proportional to 187,587.10, 258,870.18 and 102,704.14 is: 141,731.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,587.10 : 258,870.18 = 102,704.14 : x
  2. Step 2: Convert to fraction form
    187,587.10/258,870.18 = 102,704.14/x
  3. Step 3: Cross multiply
    187,587.10x = 258,870.18 × 102,704.14
  4. Step 4: Simplify right side
    187,587.10x = 26,587,039,208.55
  5. Step 5: Solve for x
    x = 26,587,039,208.55/187,587.10
  6. Step 6: Final answer
    x = 141,731.70

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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.