Home / 216,859.75-325,306.06-67,115.18

Finding the Fourth Proportional to 216,859.75, 325,306.06 and 67,115.18

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Solution

The fourth proportional to 216,859.75, 325,306.06 and 67,115.18 is: 100,677.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,859.75 : 325,306.06 = 67,115.18 : x
  2. Step 2: Convert to fraction form
    216,859.75/325,306.06 = 67,115.18/x
  3. Step 3: Cross multiply
    216,859.75x = 325,306.06 × 67,115.18
  4. Step 4: Simplify right side
    216,859.75x = 21,832,975,417.47
  5. Step 5: Solve for x
    x = 21,832,975,417.47/216,859.75
  6. Step 6: Final answer
    x = 100,677.86

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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.