Home / 131,552.94-181,572.10-85,532.49

Finding the Fourth Proportional to 131,552.94, 181,572.10 and 85,532.49

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Solution

The fourth proportional to 131,552.94, 181,572.10 and 85,532.49 is: 118,053.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,552.94 : 181,572.10 = 85,532.49 : x
  2. Step 2: Convert to fraction form
    131,552.94/181,572.10 = 85,532.49/x
  3. Step 3: Cross multiply
    131,552.94x = 181,572.10 × 85,532.49
  4. Step 4: Simplify right side
    131,552.94x = 15,530,313,613.70
  5. Step 5: Solve for x
    x = 15,530,313,613.70/131,552.94
  6. Step 6: Final answer
    x = 118,053.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.