Home / 144,052.16-198,801.96-80,402.36

Finding the Fourth Proportional to 144,052.16, 198,801.96 and 80,402.36

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Solution

The fourth proportional to 144,052.16, 198,801.96 and 80,402.36 is: 110,960.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,052.16 : 198,801.96 = 80,402.36 : x
  2. Step 2: Convert to fraction form
    144,052.16/198,801.96 = 80,402.36/x
  3. Step 3: Cross multiply
    144,052.16x = 198,801.96 × 80,402.36
  4. Step 4: Simplify right side
    144,052.16x = 15,984,146,756.63
  5. Step 5: Solve for x
    x = 15,984,146,756.63/144,052.16
  6. Step 6: Final answer
    x = 110,960.83

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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.