Home / 197,329.92-272,309.76-107,904

Finding the Fourth Proportional to 197,329.92, 272,309.76 and 107,904

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Solution

The fourth proportional to 197,329.92, 272,309.76 and 107,904 is: 148,904.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,329.92 : 272,309.76 = 107,904 : x
  2. Step 2: Convert to fraction form
    197,329.92/272,309.76 = 107,904/x
  3. Step 3: Cross multiply
    197,329.92x = 272,309.76 × 107,904
  4. Step 4: Simplify right side
    197,329.92x = 29,383,312,343.04
  5. Step 5: Solve for x
    x = 29,383,312,343.04/197,329.92
  6. Step 6: Final answer
    x = 148,904.50

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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.