Home / 155,426.75-214,496.79-91,763.18

Finding the Fourth Proportional to 155,426.75, 214,496.79 and 91,763.18

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Solution

The fourth proportional to 155,426.75, 214,496.79 and 91,763.18 is: 126,637.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,426.75 : 214,496.79 = 91,763.18 : x
  2. Step 2: Convert to fraction form
    155,426.75/214,496.79 = 91,763.18/x
  3. Step 3: Cross multiply
    155,426.75x = 214,496.79 × 91,763.18
  4. Step 4: Simplify right side
    155,426.75x = 19,682,907,550.19
  5. Step 5: Solve for x
    x = 19,682,907,550.19/155,426.75
  6. Step 6: Final answer
    x = 126,637.84

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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.