Home / 197,331.19-272,343.69-111,307.82

Finding the Fourth Proportional to 197,331.19, 272,343.69 and 111,307.82

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Solution

The fourth proportional to 197,331.19, 272,343.69 and 111,307.82 is: 153,619.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,331.19 : 272,343.69 = 111,307.82 : x
  2. Step 2: Convert to fraction form
    197,331.19/272,343.69 = 111,307.82/x
  3. Step 3: Cross multiply
    197,331.19x = 272,343.69 × 111,307.82
  4. Step 4: Simplify right side
    197,331.19x = 30,313,982,907.92
  5. Step 5: Solve for x
    x = 30,313,982,907.92/197,331.19
  6. Step 6: Final answer
    x = 153,619.83

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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.