Home / 126,461.78-174,516.90-69,872.75

Finding the Fourth Proportional to 126,461.78, 174,516.90 and 69,872.75

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Solution

The fourth proportional to 126,461.78, 174,516.90 and 69,872.75 is: 96,424.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,461.78 : 174,516.90 = 69,872.75 : x
  2. Step 2: Convert to fraction form
    126,461.78/174,516.90 = 69,872.75/x
  3. Step 3: Cross multiply
    126,461.78x = 174,516.90 × 69,872.75
  4. Step 4: Simplify right side
    126,461.78x = 12,193,975,724.48
  5. Step 5: Solve for x
    x = 12,193,975,724.48/126,461.78
  6. Step 6: Final answer
    x = 96,424.20

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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.