Home / 154,313.88-231,447.39-42,002.83

Finding the Fourth Proportional to 154,313.88, 231,447.39 and 42,002.83

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Solution

The fourth proportional to 154,313.88, 231,447.39 and 42,002.83 is: 62,997.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,313.88 : 231,447.39 = 42,002.83 : x
  2. Step 2: Convert to fraction form
    154,313.88/231,447.39 = 42,002.83/x
  3. Step 3: Cross multiply
    154,313.88x = 231,447.39 × 42,002.83
  4. Step 4: Simplify right side
    154,313.88x = 9,721,445,376.11
  5. Step 5: Solve for x
    x = 9,721,445,376.11/154,313.88
  6. Step 6: Final answer
    x = 62,997.87

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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.