Home / 161,608.46-243,385.14-143,121.02

Finding the Fourth Proportional to 161,608.46, 243,385.14 and 143,121.02

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Solution

The fourth proportional to 161,608.46, 243,385.14 and 143,121.02 is: 215,542.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,608.46 : 243,385.14 = 143,121.02 : x
  2. Step 2: Convert to fraction form
    161,608.46/243,385.14 = 143,121.02/x
  3. Step 3: Cross multiply
    161,608.46x = 243,385.14 × 143,121.02
  4. Step 4: Simplify right side
    161,608.46x = 34,833,529,489.64
  5. Step 5: Solve for x
    x = 34,833,529,489.64/161,608.46
  6. Step 6: Final answer
    x = 215,542.74

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.