Home / 197,105.75-272,007.15-107,681.75

Finding the Fourth Proportional to 197,105.75, 272,007.15 and 107,681.75

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Solution

The fourth proportional to 197,105.75, 272,007.15 and 107,681.75 is: 148,601.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,105.75 : 272,007.15 = 107,681.75 : x
  2. Step 2: Convert to fraction form
    197,105.75/272,007.15 = 107,681.75/x
  3. Step 3: Cross multiply
    197,105.75x = 272,007.15 × 107,681.75
  4. Step 4: Simplify right side
    197,105.75x = 29,290,205,924.51
  5. Step 5: Solve for x
    x = 29,290,205,924.51/197,105.75
  6. Step 6: Final answer
    x = 148,601.48

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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.