Home / 148,696.36-223,044.85-104,520.78

Finding the Fourth Proportional to 148,696.36, 223,044.85 and 104,520.78

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Solution

The fourth proportional to 148,696.36, 223,044.85 and 104,520.78 is: 156,781.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,696.36 : 223,044.85 = 104,520.78 : x
  2. Step 2: Convert to fraction form
    148,696.36/223,044.85 = 104,520.78/x
  3. Step 3: Cross multiply
    148,696.36x = 223,044.85 × 104,520.78
  4. Step 4: Simplify right side
    148,696.36x = 23,312,821,696.98
  5. Step 5: Solve for x
    x = 23,312,821,696.98/148,696.36
  6. Step 6: Final answer
    x = 156,781.39

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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.