Home / 151,870.20-227,870.10-72,943.80

Finding the Fourth Proportional to 151,870.20, 227,870.10 and 72,943.80

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Solution

The fourth proportional to 151,870.20, 227,870.10 and 72,943.80 is: 109,446.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,870.20 : 227,870.10 = 72,943.80 : x
  2. Step 2: Convert to fraction form
    151,870.20/227,870.10 = 72,943.80/x
  3. Step 3: Cross multiply
    151,870.20x = 227,870.10 × 72,943.80
  4. Step 4: Simplify right side
    151,870.20x = 16,621,711,000.38
  5. Step 5: Solve for x
    x = 16,621,711,000.38/151,870.20
  6. Step 6: Final answer
    x = 109,446.82

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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.