Home / 197,736.76-272,881.72-121,298.01

Finding the Fourth Proportional to 197,736.76, 272,881.72 and 121,298.01

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Solution

The fourth proportional to 197,736.76, 272,881.72 and 121,298.01 is: 167,394.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,736.76 : 272,881.72 = 121,298.01 : x
  2. Step 2: Convert to fraction form
    197,736.76/272,881.72 = 121,298.01/x
  3. Step 3: Cross multiply
    197,736.76x = 272,881.72 × 121,298.01
  4. Step 4: Simplify right side
    197,736.76x = 33,100,009,601.38
  5. Step 5: Solve for x
    x = 33,100,009,601.38/197,736.76
  6. Step 6: Final answer
    x = 167,394.32

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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.