Home / 148,129.67-222,141.98-53,334.42

Finding the Fourth Proportional to 148,129.67, 222,141.98 and 53,334.42

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Solution

The fourth proportional to 148,129.67, 222,141.98 and 53,334.42 is: 79,982.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,129.67 : 222,141.98 = 53,334.42 : x
  2. Step 2: Convert to fraction form
    148,129.67/222,141.98 = 53,334.42/x
  3. Step 3: Cross multiply
    148,129.67x = 222,141.98 × 53,334.42
  4. Step 4: Simplify right side
    148,129.67x = 11,847,813,660.95
  5. Step 5: Solve for x
    x = 11,847,813,660.95/148,129.67
  6. Step 6: Final answer
    x = 79,982.72

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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.