Home / 115,508.80-173,269.68-109,225.36

Finding the Fourth Proportional to 115,508.80, 173,269.68 and 109,225.36

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Solution

The fourth proportional to 115,508.80, 173,269.68 and 109,225.36 is: 163,844.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,508.80 : 173,269.68 = 109,225.36 : x
  2. Step 2: Convert to fraction form
    115,508.80/173,269.68 = 109,225.36/x
  3. Step 3: Cross multiply
    115,508.80x = 173,269.68 × 109,225.36
  4. Step 4: Simplify right side
    115,508.80x = 18,925,443,175.08
  5. Step 5: Solve for x
    x = 18,925,443,175.08/115,508.80
  6. Step 6: Final answer
    x = 163,844.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.