Home / 126,329.52-174,330.36-75,315.96

Finding the Fourth Proportional to 126,329.52, 174,330.36 and 75,315.96

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Solution

The fourth proportional to 126,329.52, 174,330.36 and 75,315.96 is: 103,933.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,329.52 : 174,330.36 = 75,315.96 : x
  2. Step 2: Convert to fraction form
    126,329.52/174,330.36 = 75,315.96/x
  3. Step 3: Cross multiply
    126,329.52x = 174,330.36 × 75,315.96
  4. Step 4: Simplify right side
    126,329.52x = 13,129,858,420.55
  5. Step 5: Solve for x
    x = 13,129,858,420.55/126,329.52
  6. Step 6: Final answer
    x = 103,933.41

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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.