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Finding the Fourth Proportional to 148,516, 222,809.04 and 50,020

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Solution

The fourth proportional to 148,516, 222,809.04 and 50,020 is: 75,041.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,516 : 222,809.04 = 50,020 : x
  2. Step 2: Convert to fraction form
    148,516/222,809.04 = 50,020/x
  3. Step 3: Cross multiply
    148,516x = 222,809.04 × 50,020
  4. Step 4: Simplify right side
    148,516x = 11,144,908,180.80
  5. Step 5: Solve for x
    x = 11,144,908,180.80/148,516
  6. Step 6: Final answer
    x = 75,041.80

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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.