Home / 148,061.70-222,165.30-69,181.47

Finding the Fourth Proportional to 148,061.70, 222,165.30 and 69,181.47

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Solution

The fourth proportional to 148,061.70, 222,165.30 and 69,181.47 is: 103,806.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,061.70 : 222,165.30 = 69,181.47 : x
  2. Step 2: Convert to fraction form
    148,061.70/222,165.30 = 69,181.47/x
  3. Step 3: Cross multiply
    148,061.70x = 222,165.30 × 69,181.47
  4. Step 4: Simplify right side
    148,061.70x = 15,369,722,036.99
  5. Step 5: Solve for x
    x = 15,369,722,036.99/148,061.70
  6. Step 6: Final answer
    x = 103,806.20

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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.