Home / 91,450.57-126,206.69-51,161.92

Finding the Fourth Proportional to 91,450.57, 126,206.69 and 51,161.92

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Solution

The fourth proportional to 91,450.57, 126,206.69 and 51,161.92 is: 70,606.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,450.57 : 126,206.69 = 51,161.92 : x
  2. Step 2: Convert to fraction form
    91,450.57/126,206.69 = 51,161.92/x
  3. Step 3: Cross multiply
    91,450.57x = 126,206.69 × 51,161.92
  4. Step 4: Simplify right side
    91,450.57x = 6,456,976,577.24
  5. Step 5: Solve for x
    x = 6,456,976,577.24/91,450.57
  6. Step 6: Final answer
    x = 70,606.19

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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.