Home / 115,001.94-172,531.61-40,122.71

Finding the Fourth Proportional to 115,001.94, 172,531.61 and 40,122.71

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Solution

The fourth proportional to 115,001.94, 172,531.61 and 40,122.71 is: 60,194.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,001.94 : 172,531.61 = 40,122.71 : x
  2. Step 2: Convert to fraction form
    115,001.94/172,531.61 = 40,122.71/x
  3. Step 3: Cross multiply
    115,001.94x = 172,531.61 × 40,122.71
  4. Step 4: Simplify right side
    115,001.94x = 6,922,435,488.05
  5. Step 5: Solve for x
    x = 6,922,435,488.05/115,001.94
  6. Step 6: Final answer
    x = 60,194.07

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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.