Home / 142,982.20-214,473.30-54,206.20

Finding the Fourth Proportional to 142,982.20, 214,473.30 and 54,206.20

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Solution

The fourth proportional to 142,982.20, 214,473.30 and 54,206.20 is: 81,309.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,982.20 : 214,473.30 = 54,206.20 : x
  2. Step 2: Convert to fraction form
    142,982.20/214,473.30 = 54,206.20/x
  3. Step 3: Cross multiply
    142,982.20x = 214,473.30 × 54,206.20
  4. Step 4: Simplify right side
    142,982.20x = 11,625,782,594.46
  5. Step 5: Solve for x
    x = 11,625,782,594.46/142,982.20
  6. Step 6: Final answer
    x = 81,309.30

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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.