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Finding the Fourth Proportional to 147,219.53, 203,162.99 and 80,151.53

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Solution

The fourth proportional to 147,219.53, 203,162.99 and 80,151.53 is: 110,609.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,219.53 : 203,162.99 = 80,151.53 : x
  2. Step 2: Convert to fraction form
    147,219.53/203,162.99 = 80,151.53/x
  3. Step 3: Cross multiply
    147,219.53x = 203,162.99 × 80,151.53
  4. Step 4: Simplify right side
    147,219.53x = 16,283,824,487.87
  5. Step 5: Solve for x
    x = 16,283,824,487.87/147,219.53
  6. Step 6: Final answer
    x = 110,609.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.