Home / 142,843.14-214,268.76-54,080.10

Finding the Fourth Proportional to 142,843.14, 214,268.76 and 54,080.10

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Solution

The fourth proportional to 142,843.14, 214,268.76 and 54,080.10 is: 81,121.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,843.14 : 214,268.76 = 54,080.10 : x
  2. Step 2: Convert to fraction form
    142,843.14/214,268.76 = 54,080.10/x
  3. Step 3: Cross multiply
    142,843.14x = 214,268.76 × 54,080.10
  4. Step 4: Simplify right side
    142,843.14x = 11,587,675,967.68
  5. Step 5: Solve for x
    x = 11,587,675,967.68/142,843.14
  6. Step 6: Final answer
    x = 81,121.68

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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.