Home / 115,324.32-159,110.64-67,576.80

Finding the Fourth Proportional to 115,324.32, 159,110.64 and 67,576.80

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Solution

The fourth proportional to 115,324.32, 159,110.64 and 67,576.80 is: 93,234.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,324.32 : 159,110.64 = 67,576.80 : x
  2. Step 2: Convert to fraction form
    115,324.32/159,110.64 = 67,576.80/x
  3. Step 3: Cross multiply
    115,324.32x = 159,110.64 × 67,576.80
  4. Step 4: Simplify right side
    115,324.32x = 10,752,187,897.15
  5. Step 5: Solve for x
    x = 10,752,187,897.15/115,324.32
  6. Step 6: Final answer
    x = 93,234.35

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1.5x scale

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.