Home / 115,076.08-172,614.57-40,195.93

Finding the Fourth Proportional to 115,076.08, 172,614.57 and 40,195.93

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Solution

The fourth proportional to 115,076.08, 172,614.57 and 40,195.93 is: 60,294.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,076.08 : 172,614.57 = 40,195.93 : x
  2. Step 2: Convert to fraction form
    115,076.08/172,614.57 = 40,195.93/x
  3. Step 3: Cross multiply
    115,076.08x = 172,614.57 × 40,195.93
  4. Step 4: Simplify right side
    115,076.08x = 6,938,403,172.70
  5. Step 5: Solve for x
    x = 6,938,403,172.70/115,076.08
  6. Step 6: Final answer
    x = 60,294.05

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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.