Home / 115,532.92-173,309.10-40,645.18

Finding the Fourth Proportional to 115,532.92, 173,309.10 and 40,645.18

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Solution

The fourth proportional to 115,532.92, 173,309.10 and 40,645.18 is: 60,971.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,532.92 : 173,309.10 = 40,645.18 : x
  2. Step 2: Convert to fraction form
    115,532.92/173,309.10 = 40,645.18/x
  3. Step 3: Cross multiply
    115,532.92x = 173,309.10 × 40,645.18
  4. Step 4: Simplify right side
    115,532.92x = 7,044,179,565.14
  5. Step 5: Solve for x
    x = 7,044,179,565.14/115,532.92
  6. Step 6: Final answer
    x = 60,971.19

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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.