Home / 115,034.50-172,530.98-40,176.05

Finding the Fourth Proportional to 115,034.50, 172,530.98 and 40,176.05

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Solution

The fourth proportional to 115,034.50, 172,530.98 and 40,176.05 is: 60,256.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,034.50 : 172,530.98 = 40,176.05 : x
  2. Step 2: Convert to fraction form
    115,034.50/172,530.98 = 40,176.05/x
  3. Step 3: Cross multiply
    115,034.50x = 172,530.98 × 40,176.05
  4. Step 4: Simplify right side
    115,034.50x = 6,931,612,366.15
  5. Step 5: Solve for x
    x = 6,931,612,366.15/115,034.50
  6. Step 6: Final answer
    x = 60,256.81

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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.