Home / 87,050.54-119,347.39-85,475.90

Finding the Fourth Proportional to 87,050.54, 119,347.39 and 85,475.90

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Solution

The fourth proportional to 87,050.54, 119,347.39 and 85,475.90 is: 117,188.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,050.54 : 119,347.39 = 85,475.90 : x
  2. Step 2: Convert to fraction form
    87,050.54/119,347.39 = 85,475.90/x
  3. Step 3: Cross multiply
    87,050.54x = 119,347.39 × 85,475.90
  4. Step 4: Simplify right side
    87,050.54x = 10,201,325,572.90
  5. Step 5: Solve for x
    x = 10,201,325,572.90/87,050.54
  6. Step 6: Final answer
    x = 117,188.54

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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.