Home / 80,210.28-120,343.36-35,841.72

Finding the Fourth Proportional to 80,210.28, 120,343.36 and 35,841.72

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Solution

The fourth proportional to 80,210.28, 120,343.36 and 35,841.72 is: 53,775.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,210.28 : 120,343.36 = 35,841.72 : x
  2. Step 2: Convert to fraction form
    80,210.28/120,343.36 = 35,841.72/x
  3. Step 3: Cross multiply
    80,210.28x = 120,343.36 × 35,841.72
  4. Step 4: Simplify right side
    80,210.28x = 4,313,313,012.98
  5. Step 5: Solve for x
    x = 4,313,313,012.98/80,210.28
  6. Step 6: Final answer
    x = 53,775.06

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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.