Home / 187,220.50-258,364.29-102,337.90

Finding the Fourth Proportional to 187,220.50, 258,364.29 and 102,337.90

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Solution

The fourth proportional to 187,220.50, 258,364.29 and 102,337.90 is: 141,226.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,220.50 : 258,364.29 = 102,337.90 : x
  2. Step 2: Convert to fraction form
    187,220.50/258,364.29 = 102,337.90/x
  3. Step 3: Cross multiply
    187,220.50x = 258,364.29 × 102,337.90
  4. Step 4: Simplify right side
    187,220.50x = 26,440,458,873.59
  5. Step 5: Solve for x
    x = 26,440,458,873.59/187,220.50
  6. Step 6: Final answer
    x = 141,226.30

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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.