Home / 126,576.95-174,675.74-71,381.88

Finding the Fourth Proportional to 126,576.95, 174,675.74 and 71,381.88

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Solution

The fourth proportional to 126,576.95, 174,675.74 and 71,381.88 is: 98,506.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,576.95 : 174,675.74 = 71,381.88 : x
  2. Step 2: Convert to fraction form
    126,576.95/174,675.74 = 71,381.88/x
  3. Step 3: Cross multiply
    126,576.95x = 174,675.74 × 71,381.88
  4. Step 4: Simplify right side
    126,576.95x = 12,468,682,354.68
  5. Step 5: Solve for x
    x = 12,468,682,354.68/126,576.95
  6. Step 6: Final answer
    x = 98,506.74

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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.