Home / 142,996.25-197,335.04-79,334.10

Finding the Fourth Proportional to 142,996.25, 197,335.04 and 79,334.10

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Solution

The fourth proportional to 142,996.25, 197,335.04 and 79,334.10 is: 109,481.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,996.25 : 197,335.04 = 79,334.10 : x
  2. Step 2: Convert to fraction form
    142,996.25/197,335.04 = 79,334.10/x
  3. Step 3: Cross multiply
    142,996.25x = 197,335.04 × 79,334.10
  4. Step 4: Simplify right side
    142,996.25x = 15,655,397,400.19
  5. Step 5: Solve for x
    x = 15,655,397,400.19/142,996.25
  6. Step 6: Final answer
    x = 109,481.17

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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.