Home / 154,438.30-231,657.45-49,267.90

Finding the Fourth Proportional to 154,438.30, 231,657.45 and 49,267.90

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Solution

The fourth proportional to 154,438.30, 231,657.45 and 49,267.90 is: 73,901.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,438.30 : 231,657.45 = 49,267.90 : x
  2. Step 2: Convert to fraction form
    154,438.30/231,657.45 = 49,267.90/x
  3. Step 3: Cross multiply
    154,438.30x = 231,657.45 × 49,267.90
  4. Step 4: Simplify right side
    154,438.30x = 11,413,276,080.86
  5. Step 5: Solve for x
    x = 11,413,276,080.86/154,438.30
  6. Step 6: Final answer
    x = 73,901.85

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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.