Home / 106,314.20-159,471.30-53,170.10

Finding the Fourth Proportional to 106,314.20, 159,471.30 and 53,170.10

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Solution

The fourth proportional to 106,314.20, 159,471.30 and 53,170.10 is: 79,755.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,314.20 : 159,471.30 = 53,170.10 : x
  2. Step 2: Convert to fraction form
    106,314.20/159,471.30 = 53,170.10/x
  3. Step 3: Cross multiply
    106,314.20x = 159,471.30 × 53,170.10
  4. Step 4: Simplify right side
    106,314.20x = 8,479,104,968.13
  5. Step 5: Solve for x
    x = 8,479,104,968.13/106,314.20
  6. Step 6: Final answer
    x = 79,755.15

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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.