Home / 126,372.54-174,394.25-69,783.91

Finding the Fourth Proportional to 126,372.54, 174,394.25 and 69,783.91

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Solution

The fourth proportional to 126,372.54, 174,394.25 and 69,783.91 is: 96,301.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,372.54 : 174,394.25 = 69,783.91 : x
  2. Step 2: Convert to fraction form
    126,372.54/174,394.25 = 69,783.91/x
  3. Step 3: Cross multiply
    126,372.54x = 174,394.25 × 69,783.91
  4. Step 4: Simplify right side
    126,372.54x = 12,169,912,646.52
  5. Step 5: Solve for x
    x = 12,169,912,646.52/126,372.54
  6. Step 6: Final answer
    x = 96,301.88

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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.