Home / 197,564.32-272,635.96-112,682.80

Finding the Fourth Proportional to 197,564.32, 272,635.96 and 112,682.80

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Solution

The fourth proportional to 197,564.32, 272,635.96 and 112,682.80 is: 155,500.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,564.32 : 272,635.96 = 112,682.80 : x
  2. Step 2: Convert to fraction form
    197,564.32/272,635.96 = 112,682.80/x
  3. Step 3: Cross multiply
    197,564.32x = 272,635.96 × 112,682.80
  4. Step 4: Simplify right side
    197,564.32x = 30,721,383,353.49
  5. Step 5: Solve for x
    x = 30,721,383,353.49/197,564.32
  6. Step 6: Final answer
    x = 155,500.67

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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.