Home / 142,869.28-214,305.54-54,098.68

Finding the Fourth Proportional to 142,869.28, 214,305.54 and 54,098.68

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Solution

The fourth proportional to 142,869.28, 214,305.54 and 54,098.68 is: 81,148.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,869.28 : 214,305.54 = 54,098.68 : x
  2. Step 2: Convert to fraction form
    142,869.28/214,305.54 = 54,098.68/x
  3. Step 3: Cross multiply
    142,869.28x = 214,305.54 × 54,098.68
  4. Step 4: Simplify right side
    142,869.28x = 11,593,646,830.69
  5. Step 5: Solve for x
    x = 11,593,646,830.69/142,869.28
  6. Step 6: Final answer
    x = 81,148.63

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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.