Home / 154,488.40-231,990.18-104,211.34

Finding the Fourth Proportional to 154,488.40, 231,990.18 and 104,211.34

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Solution

The fourth proportional to 154,488.40, 231,990.18 and 104,211.34 is: 156,490.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,488.40 : 231,990.18 = 104,211.34 : x
  2. Step 2: Convert to fraction form
    154,488.40/231,990.18 = 104,211.34/x
  3. Step 3: Cross multiply
    154,488.40x = 231,990.18 × 104,211.34
  4. Step 4: Simplify right side
    154,488.40x = 24,176,007,524.64
  5. Step 5: Solve for x
    x = 24,176,007,524.64/154,488.40
  6. Step 6: Final answer
    x = 156,490.76

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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.