Home / 143,546.40-215,233.20-73,562.40

Finding the Fourth Proportional to 143,546.40, 215,233.20 and 73,562.40

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Solution

The fourth proportional to 143,546.40, 215,233.20 and 73,562.40 is: 110,299.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,546.40 : 215,233.20 = 73,562.40 : x
  2. Step 2: Convert to fraction form
    143,546.40/215,233.20 = 73,562.40/x
  3. Step 3: Cross multiply
    143,546.40x = 215,233.20 × 73,562.40
  4. Step 4: Simplify right side
    143,546.40x = 15,833,070,751.68
  5. Step 5: Solve for x
    x = 15,833,070,751.68/143,546.40
  6. Step 6: Final answer
    x = 110,299.32

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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.