Home / 218,631.60-327,947.40-125,071.74

Finding the Fourth Proportional to 218,631.60, 327,947.40 and 125,071.74

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Solution

The fourth proportional to 218,631.60, 327,947.40 and 125,071.74 is: 187,607.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,631.60 : 327,947.40 = 125,071.74 : x
  2. Step 2: Convert to fraction form
    218,631.60/327,947.40 = 125,071.74/x
  3. Step 3: Cross multiply
    218,631.60x = 327,947.40 × 125,071.74
  4. Step 4: Simplify right side
    218,631.60x = 41,016,951,946.48
  5. Step 5: Solve for x
    x = 41,016,951,946.48/218,631.60
  6. Step 6: Final answer
    x = 187,607.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.