Home / 115,382.49-159,299.91-88,473.27

Finding the Fourth Proportional to 115,382.49, 159,299.91 and 88,473.27

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Solution

The fourth proportional to 115,382.49, 159,299.91 and 88,473.27 is: 122,148.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,382.49 : 159,299.91 = 88,473.27 : x
  2. Step 2: Convert to fraction form
    115,382.49/159,299.91 = 88,473.27/x
  3. Step 3: Cross multiply
    115,382.49x = 159,299.91 × 88,473.27
  4. Step 4: Simplify right side
    115,382.49x = 14,093,783,948.41
  5. Step 5: Solve for x
    x = 14,093,783,948.41/115,382.49
  6. Step 6: Final answer
    x = 122,148.38

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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.