Home / 136,480.20-204,428.70-113,152.20

Finding the Fourth Proportional to 136,480.20, 204,428.70 and 113,152.20

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Solution

The fourth proportional to 136,480.20, 204,428.70 and 113,152.20 is: 169,486.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,480.20 : 204,428.70 = 113,152.20 : x
  2. Step 2: Convert to fraction form
    136,480.20/204,428.70 = 113,152.20/x
  3. Step 3: Cross multiply
    136,480.20x = 204,428.70 × 113,152.20
  4. Step 4: Simplify right side
    136,480.20x = 23,131,557,148.14
  5. Step 5: Solve for x
    x = 23,131,557,148.14/136,480.20
  6. Step 6: Final answer
    x = 169,486.54

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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.