Home / 67,151.56-100,728.50-22,779.46

Finding the Fourth Proportional to 67,151.56, 100,728.50 and 22,779.46

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Solution

The fourth proportional to 67,151.56, 100,728.50 and 22,779.46 is: 34,169.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,151.56 : 100,728.50 = 22,779.46 : x
  2. Step 2: Convert to fraction form
    67,151.56/100,728.50 = 22,779.46/x
  3. Step 3: Cross multiply
    67,151.56x = 100,728.50 × 22,779.46
  4. Step 4: Simplify right side
    67,151.56x = 2,294,540,836.61
  5. Step 5: Solve for x
    x = 2,294,540,836.61/67,151.56
  6. Step 6: Final answer
    x = 34,169.58

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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.