Home / 156,146.02-234,183.98-71,825.20

Finding the Fourth Proportional to 156,146.02, 234,183.98 and 71,825.20

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Solution

The fourth proportional to 156,146.02, 234,183.98 and 71,825.20 is: 107,721.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,146.02 : 234,183.98 = 71,825.20 : x
  2. Step 2: Convert to fraction form
    156,146.02/234,183.98 = 71,825.20/x
  3. Step 3: Cross multiply
    156,146.02x = 234,183.98 × 71,825.20
  4. Step 4: Simplify right side
    156,146.02x = 16,820,311,200.30
  5. Step 5: Solve for x
    x = 16,820,311,200.30/156,146.02
  6. Step 6: Final answer
    x = 107,721.68

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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.