Home / 144,825.47-199,871.45-81,175.57

Finding the Fourth Proportional to 144,825.47, 199,871.45 and 81,175.57

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Solution

The fourth proportional to 144,825.47, 199,871.45 and 81,175.57 is: 112,029.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,825.47 : 199,871.45 = 81,175.57 : x
  2. Step 2: Convert to fraction form
    144,825.47/199,871.45 = 81,175.57/x
  3. Step 3: Cross multiply
    144,825.47x = 199,871.45 × 81,175.57
  4. Step 4: Simplify right side
    144,825.47x = 16,224,678,279.33
  5. Step 5: Solve for x
    x = 16,224,678,279.33/144,825.47
  6. Step 6: Final answer
    x = 112,029.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.