Home / 126,455.72-174,506.82-69,869.48

Finding the Fourth Proportional to 126,455.72, 174,506.82 and 69,869.48

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Solution

The fourth proportional to 126,455.72, 174,506.82 and 69,869.48 is: 96,418.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,455.72 : 174,506.82 = 69,869.48 : x
  2. Step 2: Convert to fraction form
    126,455.72/174,506.82 = 69,869.48/x
  3. Step 3: Cross multiply
    126,455.72x = 174,506.82 × 69,869.48
  4. Step 4: Simplify right side
    126,455.72x = 12,192,700,769.85
  5. Step 5: Solve for x
    x = 12,192,700,769.85/126,455.72
  6. Step 6: Final answer
    x = 96,418.74

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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.