Home / 85,037.70-127,556.55-73,227.90

Finding the Fourth Proportional to 85,037.70, 127,556.55 and 73,227.90

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Solution

The fourth proportional to 85,037.70, 127,556.55 and 73,227.90 is: 109,841.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,037.70 : 127,556.55 = 73,227.90 : x
  2. Step 2: Convert to fraction form
    85,037.70/127,556.55 = 73,227.90/x
  3. Step 3: Cross multiply
    85,037.70x = 127,556.55 × 73,227.90
  4. Step 4: Simplify right side
    85,037.70x = 9,340,698,287.75
  5. Step 5: Solve for x
    x = 9,340,698,287.75/85,037.70
  6. Step 6: Final answer
    x = 109,841.85

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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.