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Finding the Fourth Proportional to 161,308.62, 241,255.53 and 143,663.76

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Solution

The fourth proportional to 161,308.62, 241,255.53 and 143,663.76 is: 214,865.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,308.62 : 241,255.53 = 143,663.76 : x
  2. Step 2: Convert to fraction form
    161,308.62/241,255.53 = 143,663.76/x
  3. Step 3: Cross multiply
    161,308.62x = 241,255.53 × 143,663.76
  4. Step 4: Simplify right side
    161,308.62x = 34,659,676,560.59
  5. Step 5: Solve for x
    x = 34,659,676,560.59/161,308.62
  6. Step 6: Final answer
    x = 214,865.62

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1.5x scale

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.