Home / 80,175.17-120,225.70-45,114.83

Finding the Fourth Proportional to 80,175.17, 120,225.70 and 45,114.83

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Solution

The fourth proportional to 80,175.17, 120,225.70 and 45,114.83 is: 67,651.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,175.17 : 120,225.70 = 45,114.83 : x
  2. Step 2: Convert to fraction form
    80,175.17/120,225.70 = 45,114.83/x
  3. Step 3: Cross multiply
    80,175.17x = 120,225.70 × 45,114.83
  4. Step 4: Simplify right side
    80,175.17x = 5,423,962,017.13
  5. Step 5: Solve for x
    x = 5,423,962,017.13/80,175.17
  6. Step 6: Final answer
    x = 67,651.39

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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.