Home / 126,909.78-175,143.24-73,193.82

Finding the Fourth Proportional to 126,909.78, 175,143.24 and 73,193.82

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Solution

The fourth proportional to 126,909.78, 175,143.24 and 73,193.82 is: 101,011.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,909.78 : 175,143.24 = 73,193.82 : x
  2. Step 2: Convert to fraction form
    126,909.78/175,143.24 = 73,193.82/x
  3. Step 3: Cross multiply
    126,909.78x = 175,143.24 × 73,193.82
  4. Step 4: Simplify right side
    126,909.78x = 12,819,402,782.78
  5. Step 5: Solve for x
    x = 12,819,402,782.78/126,909.78
  6. Step 6: Final answer
    x = 101,011.94

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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.