Home / 144,013.05-198,706.21-83,548.68

Finding the Fourth Proportional to 144,013.05, 198,706.21 and 83,548.68

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Solution

The fourth proportional to 144,013.05, 198,706.21 and 83,548.68 is: 115,278.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,013.05 : 198,706.21 = 83,548.68 : x
  2. Step 2: Convert to fraction form
    144,013.05/198,706.21 = 83,548.68/x
  3. Step 3: Cross multiply
    144,013.05x = 198,706.21 × 83,548.68
  4. Step 4: Simplify right side
    144,013.05x = 16,601,641,553.30
  5. Step 5: Solve for x
    x = 16,601,641,553.30/144,013.05
  6. Step 6: Final answer
    x = 115,278.73

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1.5x scale

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.