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Finding the Fourth Proportional to 151,921.80, 227,882.70 and 67,722.30

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Solution

The fourth proportional to 151,921.80, 227,882.70 and 67,722.30 is: 101,583.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,921.80 : 227,882.70 = 67,722.30 : x
  2. Step 2: Convert to fraction form
    151,921.80/227,882.70 = 67,722.30/x
  3. Step 3: Cross multiply
    151,921.80x = 227,882.70 × 67,722.30
  4. Step 4: Simplify right side
    151,921.80x = 15,432,740,574.21
  5. Step 5: Solve for x
    x = 15,432,740,574.21/151,921.80
  6. Step 6: Final answer
    x = 101,583.45

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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.