Home / 151,478.80-227,218.20-109,269.70

Finding the Fourth Proportional to 151,478.80, 227,218.20 and 109,269.70

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Solution

The fourth proportional to 151,478.80, 227,218.20 and 109,269.70 is: 163,904.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,478.80 : 227,218.20 = 109,269.70 : x
  2. Step 2: Convert to fraction form
    151,478.80/227,218.20 = 109,269.70/x
  3. Step 3: Cross multiply
    151,478.80x = 227,218.20 × 109,269.70
  4. Step 4: Simplify right side
    151,478.80x = 24,828,064,548.54
  5. Step 5: Solve for x
    x = 24,828,064,548.54/151,478.80
  6. Step 6: Final answer
    x = 163,904.55

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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.