Home / 114,985.26-172,478.66-40,105.13

Finding the Fourth Proportional to 114,985.26, 172,478.66 and 40,105.13

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Solution

The fourth proportional to 114,985.26, 172,478.66 and 40,105.13 is: 60,157.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,985.26 : 172,478.66 = 40,105.13 : x
  2. Step 2: Convert to fraction form
    114,985.26/172,478.66 = 40,105.13/x
  3. Step 3: Cross multiply
    114,985.26x = 172,478.66 × 40,105.13
  4. Step 4: Simplify right side
    114,985.26x = 6,917,278,018.61
  5. Step 5: Solve for x
    x = 6,917,278,018.61/114,985.26
  6. Step 6: Final answer
    x = 60,157.95

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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.