Home / 148,161.89-204,461.84-80,177.38

Finding the Fourth Proportional to 148,161.89, 204,461.84 and 80,177.38

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Solution

The fourth proportional to 148,161.89, 204,461.84 and 80,177.38 is: 110,643.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,161.89 : 204,461.84 = 80,177.38 : x
  2. Step 2: Convert to fraction form
    148,161.89/204,461.84 = 80,177.38/x
  3. Step 3: Cross multiply
    148,161.89x = 204,461.84 × 80,177.38
  4. Step 4: Simplify right side
    148,161.89x = 16,393,214,330.47
  5. Step 5: Solve for x
    x = 16,393,214,330.47/148,161.89
  6. Step 6: Final answer
    x = 110,643.93

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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.