Home / 142,823.43-214,265.16-54,074.97

Finding the Fourth Proportional to 142,823.43, 214,265.16 and 54,074.97

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Solution

The fourth proportional to 142,823.43, 214,265.16 and 54,074.97 is: 81,123.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,823.43 : 214,265.16 = 54,074.97 : x
  2. Step 2: Convert to fraction form
    142,823.43/214,265.16 = 54,074.97/x
  3. Step 3: Cross multiply
    142,823.43x = 214,265.16 × 54,074.97
  4. Step 4: Simplify right side
    142,823.43x = 11,586,382,099.05
  5. Step 5: Solve for x
    x = 11,586,382,099.05/142,823.43
  6. Step 6: Final answer
    x = 81,123.82

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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.