Home / 187,429.20-258,652.92-102,546

Finding the Fourth Proportional to 187,429.20, 258,652.92 and 102,546

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Solution

The fourth proportional to 187,429.20, 258,652.92 and 102,546 is: 141,513.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,429.20 : 258,652.92 = 102,546 : x
  2. Step 2: Convert to fraction form
    187,429.20/258,652.92 = 102,546/x
  3. Step 3: Cross multiply
    187,429.20x = 258,652.92 × 102,546
  4. Step 4: Simplify right side
    187,429.20x = 26,523,822,334.32
  5. Step 5: Solve for x
    x = 26,523,822,334.32/187,429.20
  6. Step 6: Final answer
    x = 141,513.82

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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.