Home / 185,433.75-278,377.70-122,306.67

Finding the Fourth Proportional to 185,433.75, 278,377.70 and 122,306.67

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Solution

The fourth proportional to 185,433.75, 278,377.70 and 122,306.67 is: 183,609.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,433.75 : 278,377.70 = 122,306.67 : x
  2. Step 2: Convert to fraction form
    185,433.75/278,377.70 = 122,306.67/x
  3. Step 3: Cross multiply
    185,433.75x = 278,377.70 × 122,306.67
  4. Step 4: Simplify right side
    185,433.75x = 34,047,450,838.94
  5. Step 5: Solve for x
    x = 34,047,450,838.94/185,433.75
  6. Step 6: Final answer
    x = 183,609.78

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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.