Home / 143,328.47-215,002.82-43,496.78

Finding the Fourth Proportional to 143,328.47, 215,002.82 and 43,496.78

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Solution

The fourth proportional to 143,328.47, 215,002.82 and 43,496.78 is: 65,248.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,328.47 : 215,002.82 = 43,496.78 : x
  2. Step 2: Convert to fraction form
    143,328.47/215,002.82 = 43,496.78/x
  3. Step 3: Cross multiply
    143,328.47x = 215,002.82 × 43,496.78
  4. Step 4: Simplify right side
    143,328.47x = 9,351,929,394.65
  5. Step 5: Solve for x
    x = 9,351,929,394.65/143,328.47
  6. Step 6: Final answer
    x = 65,248.24

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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.