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Finding the Fourth Proportional to 144,562.70, 199,492.24 and 80,034.81

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Solution

The fourth proportional to 144,562.70, 199,492.24 and 80,034.81 is: 110,445.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,562.70 : 199,492.24 = 80,034.81 : x
  2. Step 2: Convert to fraction form
    144,562.70/199,492.24 = 80,034.81/x
  3. Step 3: Cross multiply
    144,562.70x = 199,492.24 × 80,034.81
  4. Step 4: Simplify right side
    144,562.70x = 15,966,323,524.87
  5. Step 5: Solve for x
    x = 15,966,323,524.87/144,562.70
  6. Step 6: Final answer
    x = 110,445.66

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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.