Home / 142,868.28-214,304.04-54,097.68

Finding the Fourth Proportional to 142,868.28, 214,304.04 and 54,097.68

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Solution

The fourth proportional to 142,868.28, 214,304.04 and 54,097.68 is: 81,147.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,868.28 : 214,304.04 = 54,097.68 : x
  2. Step 2: Convert to fraction form
    142,868.28/214,304.04 = 54,097.68/x
  3. Step 3: Cross multiply
    142,868.28x = 214,304.04 × 54,097.68
  4. Step 4: Simplify right side
    142,868.28x = 11,593,351,378.63
  5. Step 5: Solve for x
    x = 11,593,351,378.63/142,868.28
  6. Step 6: Final answer
    x = 81,147.13

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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.