Home / 126,129.34-174,057.42-69,539.50

Finding the Fourth Proportional to 126,129.34, 174,057.42 and 69,539.50

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Solution

The fourth proportional to 126,129.34, 174,057.42 and 69,539.50 is: 95,963.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,129.34 : 174,057.42 = 69,539.50 : x
  2. Step 2: Convert to fraction form
    126,129.34/174,057.42 = 69,539.50/x
  3. Step 3: Cross multiply
    126,129.34x = 174,057.42 × 69,539.50
  4. Step 4: Simplify right side
    126,129.34x = 12,103,865,958.09
  5. Step 5: Solve for x
    x = 12,103,865,958.09/126,129.34
  6. Step 6: Final answer
    x = 95,963.92

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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.