Home / 143,765.20-215,658.96-48,966.16

Finding the Fourth Proportional to 143,765.20, 215,658.96 and 48,966.16

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Solution

The fourth proportional to 143,765.20, 215,658.96 and 48,966.16 is: 73,453.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,765.20 : 215,658.96 = 48,966.16 : x
  2. Step 2: Convert to fraction form
    143,765.20/215,658.96 = 48,966.16/x
  3. Step 3: Cross multiply
    143,765.20x = 215,658.96 × 48,966.16
  4. Step 4: Simplify right side
    143,765.20x = 10,559,991,140.79
  5. Step 5: Solve for x
    x = 10,559,991,140.79/143,765.20
  6. Step 6: Final answer
    x = 73,453.04

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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.