Home / 154,389.28-231,452.64-147,040.96

Finding the Fourth Proportional to 154,389.28, 231,452.64 and 147,040.96

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Solution

The fourth proportional to 154,389.28, 231,452.64 and 147,040.96 is: 220,436.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,389.28 : 231,452.64 = 147,040.96 : x
  2. Step 2: Convert to fraction form
    154,389.28/231,452.64 = 147,040.96/x
  3. Step 3: Cross multiply
    154,389.28x = 231,452.64 × 147,040.96
  4. Step 4: Simplify right side
    154,389.28x = 34,033,018,380.13
  5. Step 5: Solve for x
    x = 34,033,018,380.13/154,389.28
  6. Step 6: Final answer
    x = 220,436.41

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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.