Home / 161,560.16-242,321.70-43,240.73

Finding the Fourth Proportional to 161,560.16, 242,321.70 and 43,240.73

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Solution

The fourth proportional to 161,560.16, 242,321.70 and 43,240.73 is: 64,856.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,560.16 : 242,321.70 = 43,240.73 : x
  2. Step 2: Convert to fraction form
    161,560.16/242,321.70 = 43,240.73/x
  3. Step 3: Cross multiply
    161,560.16x = 242,321.70 × 43,240.73
  4. Step 4: Simplify right side
    161,560.16x = 10,478,167,202.84
  5. Step 5: Solve for x
    x = 10,478,167,202.84/161,560.16
  6. Step 6: Final answer
    x = 64,856.13

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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.