Home / 215,747.40-323,569.26-110,512.20

Finding the Fourth Proportional to 215,747.40, 323,569.26 and 110,512.20

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Solution

The fourth proportional to 215,747.40, 323,569.26 and 110,512.20 is: 165,741.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,747.40 : 323,569.26 = 110,512.20 : x
  2. Step 2: Convert to fraction form
    215,747.40/323,569.26 = 110,512.20/x
  3. Step 3: Cross multiply
    215,747.40x = 323,569.26 × 110,512.20
  4. Step 4: Simplify right side
    215,747.40x = 35,758,350,774.97
  5. Step 5: Solve for x
    x = 35,758,350,774.97/215,747.40
  6. Step 6: Final answer
    x = 165,741.75

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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.