Home / 154,229.40-231,344.10-144,898.20

Finding the Fourth Proportional to 154,229.40, 231,344.10 and 144,898.20

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Solution

The fourth proportional to 154,229.40, 231,344.10 and 144,898.20 is: 217,347.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,229.40 : 231,344.10 = 144,898.20 : x
  2. Step 2: Convert to fraction form
    154,229.40/231,344.10 = 144,898.20/x
  3. Step 3: Cross multiply
    154,229.40x = 231,344.10 × 144,898.20
  4. Step 4: Simplify right side
    154,229.40x = 33,521,343,670.62
  5. Step 5: Solve for x
    x = 33,521,343,670.62/154,229.40
  6. Step 6: Final answer
    x = 217,347.30

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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.