Home / 87,049.54-119,346.02-85,474.90

Finding the Fourth Proportional to 87,049.54, 119,346.02 and 85,474.90

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Solution

The fourth proportional to 87,049.54, 119,346.02 and 85,474.90 is: 117,187.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,049.54 : 119,346.02 = 85,474.90 : x
  2. Step 2: Convert to fraction form
    87,049.54/119,346.02 = 85,474.90/x
  3. Step 3: Cross multiply
    87,049.54x = 119,346.02 × 85,474.90
  4. Step 4: Simplify right side
    87,049.54x = 10,201,089,124.90
  5. Step 5: Solve for x
    x = 10,201,089,124.90/87,049.54
  6. Step 6: Final answer
    x = 117,187.17

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.