Home / 144,834.55-199,883.45-80,310.20

Finding the Fourth Proportional to 144,834.55, 199,883.45 and 80,310.20

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Solution

The fourth proportional to 144,834.55, 199,883.45 and 80,310.20 is: 110,834.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,834.55 : 199,883.45 = 80,310.20 : x
  2. Step 2: Convert to fraction form
    144,834.55/199,883.45 = 80,310.20/x
  3. Step 3: Cross multiply
    144,834.55x = 199,883.45 × 80,310.20
  4. Step 4: Simplify right side
    144,834.55x = 16,052,679,846.19
  5. Step 5: Solve for x
    x = 16,052,679,846.19/144,834.55
  6. Step 6: Final answer
    x = 110,834.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.