Home / 151,537.72-227,372.24-81,335

Finding the Fourth Proportional to 151,537.72, 227,372.24 and 81,335

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Solution

The fourth proportional to 151,537.72, 227,372.24 and 81,335 is: 122,037.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,537.72 : 227,372.24 = 81,335 : x
  2. Step 2: Convert to fraction form
    151,537.72/227,372.24 = 81,335/x
  3. Step 3: Cross multiply
    151,537.72x = 227,372.24 × 81,335
  4. Step 4: Simplify right side
    151,537.72x = 18,493,321,140.40
  5. Step 5: Solve for x
    x = 18,493,321,140.40/151,537.72
  6. Step 6: Final answer
    x = 122,037.74

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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.