Home / 136,508.43-204,637.91-115,583.30

Finding the Fourth Proportional to 136,508.43, 204,637.91 and 115,583.30

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Solution

The fourth proportional to 136,508.43, 204,637.91 and 115,583.30 is: 173,269.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,508.43 : 204,637.91 = 115,583.30 : x
  2. Step 2: Convert to fraction form
    136,508.43/204,637.91 = 115,583.30/x
  3. Step 3: Cross multiply
    136,508.43x = 204,637.91 × 115,583.30
  4. Step 4: Simplify right side
    136,508.43x = 23,652,723,341.80
  5. Step 5: Solve for x
    x = 23,652,723,341.80/136,508.43
  6. Step 6: Final answer
    x = 173,269.32

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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.