Home / 187,280.66-258,447.31-102,397.72

Finding the Fourth Proportional to 187,280.66, 258,447.31 and 102,397.72

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Solution

The fourth proportional to 187,280.66, 258,447.31 and 102,397.72 is: 141,308.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,280.66 : 258,447.31 = 102,397.72 : x
  2. Step 2: Convert to fraction form
    187,280.66/258,447.31 = 102,397.72/x
  3. Step 3: Cross multiply
    187,280.66x = 258,447.31 × 102,397.72
  4. Step 4: Simplify right side
    187,280.66x = 26,464,414,577.08
  5. Step 5: Solve for x
    x = 26,464,414,577.08/187,280.66
  6. Step 6: Final answer
    x = 141,308.85

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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.