Home / 154,055.40-230,823.90-131,764.20

Finding the Fourth Proportional to 154,055.40, 230,823.90 and 131,764.20

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Solution

The fourth proportional to 154,055.40, 230,823.90 and 131,764.20 is: 197,424.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,055.40 : 230,823.90 = 131,764.20 : x
  2. Step 2: Convert to fraction form
    154,055.40/230,823.90 = 131,764.20/x
  3. Step 3: Cross multiply
    154,055.40x = 230,823.90 × 131,764.20
  4. Step 4: Simplify right side
    154,055.40x = 30,414,326,524.38
  5. Step 5: Solve for x
    x = 30,414,326,524.38/154,055.40
  6. Step 6: Final answer
    x = 197,424.61

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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.