Home / 148,586.32-222,937.80-65,422

Finding the Fourth Proportional to 148,586.32, 222,937.80 and 65,422

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Solution

The fourth proportional to 148,586.32, 222,937.80 and 65,422 is: 98,158.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,586.32 : 222,937.80 = 65,422 : x
  2. Step 2: Convert to fraction form
    148,586.32/222,937.80 = 65,422/x
  3. Step 3: Cross multiply
    148,586.32x = 222,937.80 × 65,422
  4. Step 4: Simplify right side
    148,586.32x = 14,585,036,751.60
  5. Step 5: Solve for x
    x = 14,585,036,751.60/148,586.32
  6. Step 6: Final answer
    x = 98,158.68

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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.