Home / 126,342.12-174,367.41-71,907.52

Finding the Fourth Proportional to 126,342.12, 174,367.41 and 71,907.52

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Solution

The fourth proportional to 126,342.12, 174,367.41 and 71,907.52 is: 99,241.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,342.12 : 174,367.41 = 71,907.52 : x
  2. Step 2: Convert to fraction form
    126,342.12/174,367.41 = 71,907.52/x
  3. Step 3: Cross multiply
    126,342.12x = 174,367.41 × 71,907.52
  4. Step 4: Simplify right side
    126,342.12x = 12,538,328,021.92
  5. Step 5: Solve for x
    x = 12,538,328,021.92/126,342.12
  6. Step 6: Final answer
    x = 99,241.08

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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.