Home / 154,138.65-231,067.85-59,308.35

Finding the Fourth Proportional to 154,138.65, 231,067.85 and 59,308.35

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Solution

The fourth proportional to 154,138.65, 231,067.85 and 59,308.35 is: 88,908.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,138.65 : 231,067.85 = 59,308.35 : x
  2. Step 2: Convert to fraction form
    154,138.65/231,067.85 = 59,308.35/x
  3. Step 3: Cross multiply
    154,138.65x = 231,067.85 × 59,308.35
  4. Step 4: Simplify right side
    154,138.65x = 13,704,252,463.89
  5. Step 5: Solve for x
    x = 13,704,252,463.89/154,138.65
  6. Step 6: Final answer
    x = 88,908.61

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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.