Home / 115,661.68-173,493.72-40,767.87

Finding the Fourth Proportional to 115,661.68, 173,493.72 and 40,767.87

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Solution

The fourth proportional to 115,661.68, 173,493.72 and 40,767.87 is: 61,152.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,661.68 : 173,493.72 = 40,767.87 : x
  2. Step 2: Convert to fraction form
    115,661.68/173,493.72 = 40,767.87/x
  3. Step 3: Cross multiply
    115,661.68x = 173,493.72 × 40,767.87
  4. Step 4: Simplify right side
    115,661.68x = 7,072,969,422.78
  5. Step 5: Solve for x
    x = 7,072,969,422.78/115,661.68
  6. Step 6: Final answer
    x = 61,152.23

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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.