Home / 175,385.72-263,117.56-81,840.44

Finding the Fourth Proportional to 175,385.72, 263,117.56 and 81,840.44

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Solution

The fourth proportional to 175,385.72, 263,117.56 and 81,840.44 is: 122,778.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,385.72 : 263,117.56 = 81,840.44 : x
  2. Step 2: Convert to fraction form
    175,385.72/263,117.56 = 81,840.44/x
  3. Step 3: Cross multiply
    175,385.72x = 263,117.56 × 81,840.44
  4. Step 4: Simplify right side
    175,385.72x = 21,533,656,882.13
  5. Step 5: Solve for x
    x = 21,533,656,882.13/175,385.72
  6. Step 6: Final answer
    x = 122,778.85

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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.