Home / 156,902.70-235,549.02-156,183.42

Finding the Fourth Proportional to 156,902.70, 235,549.02 and 156,183.42

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Solution

The fourth proportional to 156,902.70, 235,549.02 and 156,183.42 is: 234,469.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,902.70 : 235,549.02 = 156,183.42 : x
  2. Step 2: Convert to fraction form
    156,902.70/235,549.02 = 156,183.42/x
  3. Step 3: Cross multiply
    156,902.70x = 235,549.02 × 156,183.42
  4. Step 4: Simplify right side
    156,902.70x = 36,788,851,521.25
  5. Step 5: Solve for x
    x = 36,788,851,521.25/156,902.70
  6. Step 6: Final answer
    x = 234,469.21

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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.