Home / 155,212.91-232,982.25-137,556.53

Finding the Fourth Proportional to 155,212.91, 232,982.25 and 137,556.53

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Solution

The fourth proportional to 155,212.91, 232,982.25 and 137,556.53 is: 206,479.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,212.91 : 232,982.25 = 137,556.53 : x
  2. Step 2: Convert to fraction form
    155,212.91/232,982.25 = 137,556.53/x
  3. Step 3: Cross multiply
    155,212.91x = 232,982.25 × 137,556.53
  4. Step 4: Simplify right side
    155,212.91x = 32,048,230,959.89
  5. Step 5: Solve for x
    x = 32,048,230,959.89/155,212.91
  6. Step 6: Final answer
    x = 206,479.15

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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.