Home / 95,421.20-143,131.80-83,757.20

Finding the Fourth Proportional to 95,421.20, 143,131.80 and 83,757.20

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Solution

The fourth proportional to 95,421.20, 143,131.80 and 83,757.20 is: 125,635.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,421.20 : 143,131.80 = 83,757.20 : x
  2. Step 2: Convert to fraction form
    95,421.20/143,131.80 = 83,757.20/x
  3. Step 3: Cross multiply
    95,421.20x = 143,131.80 × 83,757.20
  4. Step 4: Simplify right side
    95,421.20x = 11,988,318,798.96
  5. Step 5: Solve for x
    x = 11,988,318,798.96/95,421.20
  6. Step 6: Final answer
    x = 125,635.80

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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.