Home / 197,105.20-272,005.20-107,681.20

Finding the Fourth Proportional to 197,105.20, 272,005.20 and 107,681.20

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Solution

The fourth proportional to 197,105.20, 272,005.20 and 107,681.20 is: 148,600.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,105.20 : 272,005.20 = 107,681.20 : x
  2. Step 2: Convert to fraction form
    197,105.20/272,005.20 = 107,681.20/x
  3. Step 3: Cross multiply
    197,105.20x = 272,005.20 × 107,681.20
  4. Step 4: Simplify right side
    197,105.20x = 29,289,846,342.24
  5. Step 5: Solve for x
    x = 29,289,846,342.24/197,105.20
  6. Step 6: Final answer
    x = 148,600.07

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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.