Home / 151,979.70-228,099.15-67,869.30

Finding the Fourth Proportional to 151,979.70, 228,099.15 and 67,869.30

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Solution

The fourth proportional to 151,979.70, 228,099.15 and 67,869.30 is: 101,861.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,979.70 : 228,099.15 = 67,869.30 : x
  2. Step 2: Convert to fraction form
    151,979.70/228,099.15 = 67,869.30/x
  3. Step 3: Cross multiply
    151,979.70x = 228,099.15 × 67,869.30
  4. Step 4: Simplify right side
    151,979.70x = 15,480,929,641.10
  5. Step 5: Solve for x
    x = 15,480,929,641.10/151,979.70
  6. Step 6: Final answer
    x = 101,861.83

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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.