Home / 143,274.18-214,615.92-83,929.92

Finding the Fourth Proportional to 143,274.18, 214,615.92 and 83,929.92

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Solution

The fourth proportional to 143,274.18, 214,615.92 and 83,929.92 is: 125,721.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,274.18 : 214,615.92 = 83,929.92 : x
  2. Step 2: Convert to fraction form
    143,274.18/214,615.92 = 83,929.92/x
  3. Step 3: Cross multiply
    143,274.18x = 214,615.92 × 83,929.92
  4. Step 4: Simplify right side
    143,274.18x = 18,012,696,996.33
  5. Step 5: Solve for x
    x = 18,012,696,996.33/143,274.18
  6. Step 6: Final answer
    x = 125,721.86

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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.