Home / 148,115.16-222,074.19-81,586.62

Finding the Fourth Proportional to 148,115.16, 222,074.19 and 81,586.62

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Solution

The fourth proportional to 148,115.16, 222,074.19 and 81,586.62 is: 122,325.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,115.16 : 222,074.19 = 81,586.62 : x
  2. Step 2: Convert to fraction form
    148,115.16/222,074.19 = 81,586.62/x
  3. Step 3: Cross multiply
    148,115.16x = 222,074.19 × 81,586.62
  4. Step 4: Simplify right side
    148,115.16x = 18,118,282,551.34
  5. Step 5: Solve for x
    x = 18,118,282,551.34/148,115.16
  6. Step 6: Final answer
    x = 122,325.65

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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.