Home / 154,471.20-231,706.80-147,254.10

Finding the Fourth Proportional to 154,471.20, 231,706.80 and 147,254.10

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Solution

The fourth proportional to 154,471.20, 231,706.80 and 147,254.10 is: 220,881.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,471.20 : 231,706.80 = 147,254.10 : x
  2. Step 2: Convert to fraction form
    154,471.20/231,706.80 = 147,254.10/x
  3. Step 3: Cross multiply
    154,471.20x = 231,706.80 × 147,254.10
  4. Step 4: Simplify right side
    154,471.20x = 34,119,776,297.88
  5. Step 5: Solve for x
    x = 34,119,776,297.88/154,471.20
  6. Step 6: Final answer
    x = 220,881.15

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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.