Home / 114,976.80-172,422.18-40,077.72

Finding the Fourth Proportional to 114,976.80, 172,422.18 and 40,077.72

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Solution

The fourth proportional to 114,976.80, 172,422.18 and 40,077.72 is: 60,101.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,976.80 : 172,422.18 = 40,077.72 : x
  2. Step 2: Convert to fraction form
    114,976.80/172,422.18 = 40,077.72/x
  3. Step 3: Cross multiply
    114,976.80x = 172,422.18 × 40,077.72
  4. Step 4: Simplify right side
    114,976.80x = 6,910,287,851.83
  5. Step 5: Solve for x
    x = 6,910,287,851.83/114,976.80
  6. Step 6: Final answer
    x = 60,101.58

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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.