Home / 85,175.68-127,778.91-35,228.65

Finding the Fourth Proportional to 85,175.68, 127,778.91 and 35,228.65

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Solution

The fourth proportional to 85,175.68, 127,778.91 and 35,228.65 is: 52,849.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,175.68 : 127,778.91 = 35,228.65 : x
  2. Step 2: Convert to fraction form
    85,175.68/127,778.91 = 35,228.65/x
  3. Step 3: Cross multiply
    85,175.68x = 127,778.91 × 35,228.65
  4. Step 4: Simplify right side
    85,175.68x = 4,501,478,497.77
  5. Step 5: Solve for x
    x = 4,501,478,497.77/85,175.68
  6. Step 6: Final answer
    x = 52,849.34

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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.