Home / 132,921.65-183,328.20-85,179.44

Finding the Fourth Proportional to 132,921.65, 183,328.20 and 85,179.44

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Solution

The fourth proportional to 132,921.65, 183,328.20 and 85,179.44 is: 117,481.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,921.65 : 183,328.20 = 85,179.44 : x
  2. Step 2: Convert to fraction form
    132,921.65/183,328.20 = 85,179.44/x
  3. Step 3: Cross multiply
    132,921.65x = 183,328.20 × 85,179.44
  4. Step 4: Simplify right side
    132,921.65x = 15,615,792,495.57
  5. Step 5: Solve for x
    x = 15,615,792,495.57/132,921.65
  6. Step 6: Final answer
    x = 117,481.19

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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.