Home / 136,916.34-205,451.79-73,735.11

Finding the Fourth Proportional to 136,916.34, 205,451.79 and 73,735.11

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Solution

The fourth proportional to 136,916.34, 205,451.79 and 73,735.11 is: 110,644.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,916.34 : 205,451.79 = 73,735.11 : x
  2. Step 2: Convert to fraction form
    136,916.34/205,451.79 = 73,735.11/x
  3. Step 3: Cross multiply
    136,916.34x = 205,451.79 × 73,735.11
  4. Step 4: Simplify right side
    136,916.34x = 15,149,010,335.35
  5. Step 5: Solve for x
    x = 15,149,010,335.35/136,916.34
  6. Step 6: Final answer
    x = 110,644.28

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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.