Home / 126,844.43-175,048.14-72,395.51

Finding the Fourth Proportional to 126,844.43, 175,048.14 and 72,395.51

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Solution

The fourth proportional to 126,844.43, 175,048.14 and 72,395.51 is: 99,907.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,844.43 : 175,048.14 = 72,395.51 : x
  2. Step 2: Convert to fraction form
    126,844.43/175,048.14 = 72,395.51/x
  3. Step 3: Cross multiply
    126,844.43x = 175,048.14 × 72,395.51
  4. Step 4: Simplify right side
    126,844.43x = 12,672,699,369.85
  5. Step 5: Solve for x
    x = 12,672,699,369.85/126,844.43
  6. Step 6: Final answer
    x = 99,907.42

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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.