Home / 142,975.44-197,306.17-79,313.22

Finding the Fourth Proportional to 142,975.44, 197,306.17 and 79,313.22

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Solution

The fourth proportional to 142,975.44, 197,306.17 and 79,313.22 is: 109,452.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,975.44 : 197,306.17 = 79,313.22 : x
  2. Step 2: Convert to fraction form
    142,975.44/197,306.17 = 79,313.22/x
  3. Step 3: Cross multiply
    142,975.44x = 197,306.17 × 79,313.22
  4. Step 4: Simplify right side
    142,975.44x = 15,648,987,470.28
  5. Step 5: Solve for x
    x = 15,648,987,470.28/142,975.44
  6. Step 6: Final answer
    x = 109,452.28

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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.