Home / 221,768.46-306,040.61-119,793.93

Finding the Fourth Proportional to 221,768.46, 306,040.61 and 119,793.93

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Solution

The fourth proportional to 221,768.46, 306,040.61 and 119,793.93 is: 165,315.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,768.46 : 306,040.61 = 119,793.93 : x
  2. Step 2: Convert to fraction form
    221,768.46/306,040.61 = 119,793.93/x
  3. Step 3: Cross multiply
    221,768.46x = 306,040.61 × 119,793.93
  4. Step 4: Simplify right side
    221,768.46x = 36,661,806,812.53
  5. Step 5: Solve for x
    x = 36,661,806,812.53/221,768.46
  6. Step 6: Final answer
    x = 165,315.69

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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.