Home / 126,318.88-174,313.93-71,865.92

Finding the Fourth Proportional to 126,318.88, 174,313.93 and 71,865.92

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Solution

The fourth proportional to 126,318.88, 174,313.93 and 71,865.92 is: 99,171.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,318.88 : 174,313.93 = 71,865.92 : x
  2. Step 2: Convert to fraction form
    126,318.88/174,313.93 = 71,865.92/x
  3. Step 3: Cross multiply
    126,318.88x = 174,313.93 × 71,865.92
  4. Step 4: Simplify right side
    126,318.88x = 12,527,230,948.27
  5. Step 5: Solve for x
    x = 12,527,230,948.27/126,318.88
  6. Step 6: Final answer
    x = 99,171.49

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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.