Home / 103,314.11-154,617.29-71,759.75

Finding the Fourth Proportional to 103,314.11, 154,617.29 and 71,759.75

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Solution

The fourth proportional to 103,314.11, 154,617.29 and 71,759.75 is: 107,393.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,314.11 : 154,617.29 = 71,759.75 : x
  2. Step 2: Convert to fraction form
    103,314.11/154,617.29 = 71,759.75/x
  3. Step 3: Cross multiply
    103,314.11x = 154,617.29 × 71,759.75
  4. Step 4: Simplify right side
    103,314.11x = 11,095,296,944.19
  5. Step 5: Solve for x
    x = 11,095,296,944.19/103,314.11
  6. Step 6: Final answer
    x = 107,393.83

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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.