Home / 213,188.18-319,949.33-148,727.12

Finding the Fourth Proportional to 213,188.18, 319,949.33 and 148,727.12

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Solution

The fourth proportional to 213,188.18, 319,949.33 and 148,727.12 is: 223,207.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,188.18 : 319,949.33 = 148,727.12 : x
  2. Step 2: Convert to fraction form
    213,188.18/319,949.33 = 148,727.12/x
  3. Step 3: Cross multiply
    213,188.18x = 319,949.33 × 148,727.12
  4. Step 4: Simplify right side
    213,188.18x = 47,585,140,053.45
  5. Step 5: Solve for x
    x = 47,585,140,053.45/213,188.18
  6. Step 6: Final answer
    x = 223,207.22

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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.