Home / 218,292.16-327,564-91,922.56

Finding the Fourth Proportional to 218,292.16, 327,564 and 91,922.56

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Solution

The fourth proportional to 218,292.16, 327,564 and 91,922.56 is: 137,936.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,292.16 : 327,564 = 91,922.56 : x
  2. Step 2: Convert to fraction form
    218,292.16/327,564 = 91,922.56/x
  3. Step 3: Cross multiply
    218,292.16x = 327,564 × 91,922.56
  4. Step 4: Simplify right side
    218,292.16x = 30,110,521,443.84
  5. Step 5: Solve for x
    x = 30,110,521,443.84/218,292.16
  6. Step 6: Final answer
    x = 137,936.80

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1.5x scale

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.