Home / 126,217.89-174,177.88-69,629.25

Finding the Fourth Proportional to 126,217.89, 174,177.88 and 69,629.25

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Solution

The fourth proportional to 126,217.89, 174,177.88 and 69,629.25 is: 96,086.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,217.89 : 174,177.88 = 69,629.25 : x
  2. Step 2: Convert to fraction form
    126,217.89/174,177.88 = 69,629.25/x
  3. Step 3: Cross multiply
    126,217.89x = 174,177.88 × 69,629.25
  4. Step 4: Simplify right side
    126,217.89x = 12,127,875,150.99
  5. Step 5: Solve for x
    x = 12,127,875,150.99/126,217.89
  6. Step 6: Final answer
    x = 96,086.82

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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.