Home / 90,122.72-135,265.33-48,037.85

Finding the Fourth Proportional to 90,122.72, 135,265.33 and 48,037.85

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Solution

The fourth proportional to 90,122.72, 135,265.33 and 48,037.85 is: 72,100.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,122.72 : 135,265.33 = 48,037.85 : x
  2. Step 2: Convert to fraction form
    90,122.72/135,265.33 = 48,037.85/x
  3. Step 3: Cross multiply
    90,122.72x = 135,265.33 × 48,037.85
  4. Step 4: Simplify right side
    90,122.72x = 6,497,855,343.56
  5. Step 5: Solve for x
    x = 6,497,855,343.56/90,122.72
  6. Step 6: Final answer
    x = 72,100.08

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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.