Home / 187,429.60-258,657.42-106,864.75

Finding the Fourth Proportional to 187,429.60, 258,657.42 and 106,864.75

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Solution

The fourth proportional to 187,429.60, 258,657.42 and 106,864.75 is: 147,475.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,429.60 : 258,657.42 = 106,864.75 : x
  2. Step 2: Convert to fraction form
    187,429.60/258,657.42 = 106,864.75/x
  3. Step 3: Cross multiply
    187,429.60x = 258,657.42 × 106,864.75
  4. Step 4: Simplify right side
    187,429.60x = 27,641,360,523.95
  5. Step 5: Solve for x
    x = 27,641,360,523.95/187,429.60
  6. Step 6: Final answer
    x = 147,475.96

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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.