Home / 80,156.28-120,266.10-24,756.60

Finding the Fourth Proportional to 80,156.28, 120,266.10 and 24,756.60

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Solution

The fourth proportional to 80,156.28, 120,266.10 and 24,756.60 is: 37,144.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,156.28 : 120,266.10 = 24,756.60 : x
  2. Step 2: Convert to fraction form
    80,156.28/120,266.10 = 24,756.60/x
  3. Step 3: Cross multiply
    80,156.28x = 120,266.10 × 24,756.60
  4. Step 4: Simplify right side
    80,156.28x = 2,977,379,731.26
  5. Step 5: Solve for x
    x = 2,977,379,731.26/80,156.28
  6. Step 6: Final answer
    x = 37,144.68

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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.