Home / 126,460.78-174,515.52-69,871.75

Finding the Fourth Proportional to 126,460.78, 174,515.52 and 69,871.75

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Solution

The fourth proportional to 126,460.78, 174,515.52 and 69,871.75 is: 96,422.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,460.78 : 174,515.52 = 69,871.75 : x
  2. Step 2: Convert to fraction form
    126,460.78/174,515.52 = 69,871.75/x
  3. Step 3: Cross multiply
    126,460.78x = 174,515.52 × 69,871.75
  4. Step 4: Simplify right side
    126,460.78x = 12,193,704,784.56
  5. Step 5: Solve for x
    x = 12,193,704,784.56/126,460.78
  6. Step 6: Final answer
    x = 96,422.82

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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.