Home / 95,489.20-143,190.60-42,871.60

Finding the Fourth Proportional to 95,489.20, 143,190.60 and 42,871.60

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Solution

The fourth proportional to 95,489.20, 143,190.60 and 42,871.60 is: 64,288.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,489.20 : 143,190.60 = 42,871.60 : x
  2. Step 2: Convert to fraction form
    95,489.20/143,190.60 = 42,871.60/x
  3. Step 3: Cross multiply
    95,489.20x = 143,190.60 × 42,871.60
  4. Step 4: Simplify right side
    95,489.20x = 6,138,810,126.96
  5. Step 5: Solve for x
    x = 6,138,810,126.96/95,489.20
  6. Step 6: Final answer
    x = 64,288.00

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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.