Home / 115,077.75-172,641.21-36,198.12

Finding the Fourth Proportional to 115,077.75, 172,641.21 and 36,198.12

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Solution

The fourth proportional to 115,077.75, 172,641.21 and 36,198.12 is: 54,304.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,077.75 : 172,641.21 = 36,198.12 : x
  2. Step 2: Convert to fraction form
    115,077.75/172,641.21 = 36,198.12/x
  3. Step 3: Cross multiply
    115,077.75x = 172,641.21 × 36,198.12
  4. Step 4: Simplify right side
    115,077.75x = 6,249,287,236.53
  5. Step 5: Solve for x
    x = 6,249,287,236.53/115,077.75
  6. Step 6: Final answer
    x = 54,304.91

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1.5x scale

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.