Home / 142,841.03-214,192.28-42,982.61

Finding the Fourth Proportional to 142,841.03, 214,192.28 and 42,982.61

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Solution

The fourth proportional to 142,841.03, 214,192.28 and 42,982.61 is: 64,453.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,841.03 : 214,192.28 = 42,982.61 : x
  2. Step 2: Convert to fraction form
    142,841.03/214,192.28 = 42,982.61/x
  3. Step 3: Cross multiply
    142,841.03x = 214,192.28 × 42,982.61
  4. Step 4: Simplify right side
    142,841.03x = 9,206,542,272.75
  5. Step 5: Solve for x
    x = 9,206,542,272.75/142,841.03
  6. Step 6: Final answer
    x = 64,453.07

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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.