Home / 113,452.48-170,255.28-85,393.27

Finding the Fourth Proportional to 113,452.48, 170,255.28 and 85,393.27

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Solution

The fourth proportional to 113,452.48, 170,255.28 and 85,393.27 is: 128,147.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,452.48 : 170,255.28 = 85,393.27 : x
  2. Step 2: Convert to fraction form
    113,452.48/170,255.28 = 85,393.27/x
  3. Step 3: Cross multiply
    113,452.48x = 170,255.28 × 85,393.27
  4. Step 4: Simplify right side
    113,452.48x = 14,538,655,093.97
  5. Step 5: Solve for x
    x = 14,538,655,093.97/113,452.48
  6. Step 6: Final answer
    x = 128,147.53

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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.