Home / 142,685.42-214,028.19-36,069.71

Finding the Fourth Proportional to 142,685.42, 214,028.19 and 36,069.71

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Solution

The fourth proportional to 142,685.42, 214,028.19 and 36,069.71 is: 54,104.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,685.42 : 214,028.19 = 36,069.71 : x
  2. Step 2: Convert to fraction form
    142,685.42/214,028.19 = 36,069.71/x
  3. Step 3: Cross multiply
    142,685.42x = 214,028.19 × 36,069.71
  4. Step 4: Simplify right side
    142,685.42x = 7,719,933,674.98
  5. Step 5: Solve for x
    x = 7,719,933,674.98/142,685.42
  6. Step 6: Final answer
    x = 54,104.57

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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.