Home / 156,428.72-232,630.79-151,446.41

Finding the Fourth Proportional to 156,428.72, 232,630.79 and 151,446.41

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Solution

The fourth proportional to 156,428.72, 232,630.79 and 151,446.41 is: 225,221.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,428.72 : 232,630.79 = 151,446.41 : x
  2. Step 2: Convert to fraction form
    156,428.72/232,630.79 = 151,446.41/x
  3. Step 3: Cross multiply
    156,428.72x = 232,630.79 × 151,446.41
  4. Step 4: Simplify right side
    156,428.72x = 35,231,096,952.94
  5. Step 5: Solve for x
    x = 35,231,096,952.94/156,428.72
  6. Step 6: Final answer
    x = 225,221.41

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.