Home / 85,151.57-127,727.27-40,162.43

Finding the Fourth Proportional to 85,151.57, 127,727.27 and 40,162.43

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Solution

The fourth proportional to 85,151.57, 127,727.27 and 40,162.43 is: 60,243.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,151.57 : 127,727.27 = 40,162.43 : x
  2. Step 2: Convert to fraction form
    85,151.57/127,727.27 = 40,162.43/x
  3. Step 3: Cross multiply
    85,151.57x = 127,727.27 × 40,162.43
  4. Step 4: Simplify right side
    85,151.57x = 5,129,837,339.65
  5. Step 5: Solve for x
    x = 5,129,837,339.65/85,151.57
  6. Step 6: Final answer
    x = 60,243.60

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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.