Home / 143,306.20-214,959.30-43,461.55

Finding the Fourth Proportional to 143,306.20, 214,959.30 and 43,461.55

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Solution

The fourth proportional to 143,306.20, 214,959.30 and 43,461.55 is: 65,192.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,306.20 : 214,959.30 = 43,461.55 : x
  2. Step 2: Convert to fraction form
    143,306.20/214,959.30 = 43,461.55/x
  3. Step 3: Cross multiply
    143,306.20x = 214,959.30 × 43,461.55
  4. Step 4: Simplify right side
    143,306.20x = 9,342,464,364.92
  5. Step 5: Solve for x
    x = 9,342,464,364.92/143,306.20
  6. Step 6: Final answer
    x = 65,192.33

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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.