Home / 112,456.10-155,163.84-67,148.76

Finding the Fourth Proportional to 112,456.10, 155,163.84 and 67,148.76

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Solution

The fourth proportional to 112,456.10, 155,163.84 and 67,148.76 is: 92,650.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,456.10 : 155,163.84 = 67,148.76 : x
  2. Step 2: Convert to fraction form
    112,456.10/155,163.84 = 67,148.76/x
  3. Step 3: Cross multiply
    112,456.10x = 155,163.84 × 67,148.76
  4. Step 4: Simplify right side
    112,456.10x = 10,419,059,452.84
  5. Step 5: Solve for x
    x = 10,419,059,452.84/112,456.10
  6. Step 6: Final answer
    x = 92,650.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.