Home / 91,450.74-137,110.22-41,505.78

Finding the Fourth Proportional to 91,450.74, 137,110.22 and 41,505.78

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Solution

The fourth proportional to 91,450.74, 137,110.22 and 41,505.78 is: 62,228.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,450.74 : 137,110.22 = 41,505.78 : x
  2. Step 2: Convert to fraction form
    91,450.74/137,110.22 = 41,505.78/x
  3. Step 3: Cross multiply
    91,450.74x = 137,110.22 × 41,505.78
  4. Step 4: Simplify right side
    91,450.74x = 5,690,866,627.07
  5. Step 5: Solve for x
    x = 5,690,866,627.07/91,450.74
  6. Step 6: Final answer
    x = 62,228.77

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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.