Home / 104,728.20-157,092.30-76,843.95

Finding the Fourth Proportional to 104,728.20, 157,092.30 and 76,843.95

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Solution

The fourth proportional to 104,728.20, 157,092.30 and 76,843.95 is: 115,265.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,728.20 : 157,092.30 = 76,843.95 : x
  2. Step 2: Convert to fraction form
    104,728.20/157,092.30 = 76,843.95/x
  3. Step 3: Cross multiply
    104,728.20x = 157,092.30 × 76,843.95
  4. Step 4: Simplify right side
    104,728.20x = 12,071,592,846.59
  5. Step 5: Solve for x
    x = 12,071,592,846.59/104,728.20
  6. Step 6: Final answer
    x = 115,265.93

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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.