Home / 60,134.42-90,200.75-20,691.87

Finding the Fourth Proportional to 60,134.42, 90,200.75 and 20,691.87

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Solution

The fourth proportional to 60,134.42, 90,200.75 and 20,691.87 is: 31,037.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,134.42 : 90,200.75 = 20,691.87 : x
  2. Step 2: Convert to fraction form
    60,134.42/90,200.75 = 20,691.87/x
  3. Step 3: Cross multiply
    60,134.42x = 90,200.75 × 20,691.87
  4. Step 4: Simplify right side
    60,134.42x = 1,866,422,089.44
  5. Step 5: Solve for x
    x = 1,866,422,089.44/60,134.42
  6. Step 6: Final answer
    x = 31,037.50

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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.