Home / 197,488.53-272,535.44-121,007.79

Finding the Fourth Proportional to 197,488.53, 272,535.44 and 121,007.79

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Solution

The fourth proportional to 197,488.53, 272,535.44 and 121,007.79 is: 166,991.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,488.53 : 272,535.44 = 121,007.79 : x
  2. Step 2: Convert to fraction form
    197,488.53/272,535.44 = 121,007.79/x
  3. Step 3: Cross multiply
    197,488.53x = 272,535.44 × 121,007.79
  4. Step 4: Simplify right side
    197,488.53x = 32,978,910,686.04
  5. Step 5: Solve for x
    x = 32,978,910,686.04/197,488.53
  6. Step 6: Final answer
    x = 166,991.52

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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.