Home / 143,482.20-215,126.10-73,303.80

Finding the Fourth Proportional to 143,482.20, 215,126.10 and 73,303.80

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Solution

The fourth proportional to 143,482.20, 215,126.10 and 73,303.80 is: 109,906.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,482.20 : 215,126.10 = 73,303.80 : x
  2. Step 2: Convert to fraction form
    143,482.20/215,126.10 = 73,303.80/x
  3. Step 3: Cross multiply
    143,482.20x = 215,126.10 × 73,303.80
  4. Step 4: Simplify right side
    143,482.20x = 15,769,560,609.18
  5. Step 5: Solve for x
    x = 15,769,560,609.18/143,482.20
  6. Step 6: Final answer
    x = 109,906.04

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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.