Home / 197,649.43-272,756.31-107,005.41

Finding the Fourth Proportional to 197,649.43, 272,756.31 and 107,005.41

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Solution

The fourth proportional to 197,649.43, 272,756.31 and 107,005.41 is: 147,667.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,649.43 : 272,756.31 = 107,005.41 : x
  2. Step 2: Convert to fraction form
    197,649.43/272,756.31 = 107,005.41/x
  3. Step 3: Cross multiply
    197,649.43x = 272,756.31 × 107,005.41
  4. Step 4: Simplify right side
    197,649.43x = 29,186,400,781.64
  5. Step 5: Solve for x
    x = 29,186,400,781.64/197,649.43
  6. Step 6: Final answer
    x = 147,667.52

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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.