Home / 148,108.73-204,389.19-80,125.49

Finding the Fourth Proportional to 148,108.73, 204,389.19 and 80,125.49

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Solution

The fourth proportional to 148,108.73, 204,389.19 and 80,125.49 is: 110,572.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,108.73 : 204,389.19 = 80,125.49 : x
  2. Step 2: Convert to fraction form
    148,108.73/204,389.19 = 80,125.49/x
  3. Step 3: Cross multiply
    148,108.73x = 204,389.19 × 80,125.49
  4. Step 4: Simplify right side
    148,108.73x = 16,376,782,977.51
  5. Step 5: Solve for x
    x = 16,376,782,977.51/148,108.73
  6. Step 6: Final answer
    x = 110,572.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.