Home / 187,188.91-258,320.71-102,305.97

Finding the Fourth Proportional to 187,188.91, 258,320.71 and 102,305.97

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Solution

The fourth proportional to 187,188.91, 258,320.71 and 102,305.97 is: 141,182.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,188.91 : 258,320.71 = 102,305.97 : x
  2. Step 2: Convert to fraction form
    187,188.91/258,320.71 = 102,305.97/x
  3. Step 3: Cross multiply
    187,188.91x = 258,320.71 × 102,305.97
  4. Step 4: Simplify right side
    187,188.91x = 26,427,750,807.64
  5. Step 5: Solve for x
    x = 26,427,750,807.64/187,188.91
  6. Step 6: Final answer
    x = 141,182.25

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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.