Home / 154,228.40-231,688.20-147,930.80

Finding the Fourth Proportional to 154,228.40, 231,688.20 and 147,930.80

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Solution

The fourth proportional to 154,228.40, 231,688.20 and 147,930.80 is: 222,227.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,228.40 : 231,688.20 = 147,930.80 : x
  2. Step 2: Convert to fraction form
    154,228.40/231,688.20 = 147,930.80/x
  3. Step 3: Cross multiply
    154,228.40x = 231,688.20 × 147,930.80
  4. Step 4: Simplify right side
    154,228.40x = 34,273,820,776.56
  5. Step 5: Solve for x
    x = 34,273,820,776.56/154,228.40
  6. Step 6: Final answer
    x = 222,227.69

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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.