Home / 136,428.20-205,079.70-97,256.60

Finding the Fourth Proportional to 136,428.20, 205,079.70 and 97,256.60

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Solution

The fourth proportional to 136,428.20, 205,079.70 and 97,256.60 is: 146,196.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,428.20 : 205,079.70 = 97,256.60 : x
  2. Step 2: Convert to fraction form
    136,428.20/205,079.70 = 97,256.60/x
  3. Step 3: Cross multiply
    136,428.20x = 205,079.70 × 97,256.60
  4. Step 4: Simplify right side
    136,428.20x = 19,945,354,351.02
  5. Step 5: Solve for x
    x = 19,945,354,351.02/136,428.20
  6. Step 6: Final answer
    x = 146,196.71

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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.