Home / 115,590.30-173,369.72-31,355.88

Finding the Fourth Proportional to 115,590.30, 173,369.72 and 31,355.88

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Solution

The fourth proportional to 115,590.30, 173,369.72 and 31,355.88 is: 47,029.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,590.30 : 173,369.72 = 31,355.88 : x
  2. Step 2: Convert to fraction form
    115,590.30/173,369.72 = 31,355.88/x
  3. Step 3: Cross multiply
    115,590.30x = 173,369.72 × 31,355.88
  4. Step 4: Simplify right side
    115,590.30x = 5,436,160,135.95
  5. Step 5: Solve for x
    x = 5,436,160,135.95/115,590.30
  6. Step 6: Final answer
    x = 47,029.55

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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.