Home / 136,731.33-205,096.13-73,581.20

Finding the Fourth Proportional to 136,731.33, 205,096.13 and 73,581.20

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Solution

The fourth proportional to 136,731.33, 205,096.13 and 73,581.20 is: 110,371.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,731.33 : 205,096.13 = 73,581.20 : x
  2. Step 2: Convert to fraction form
    136,731.33/205,096.13 = 73,581.20/x
  3. Step 3: Cross multiply
    136,731.33x = 205,096.13 × 73,581.20
  4. Step 4: Simplify right side
    136,731.33x = 15,091,219,360.76
  5. Step 5: Solve for x
    x = 15,091,219,360.76/136,731.33
  6. Step 6: Final answer
    x = 110,371.33

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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.