Home / 239,631.52-359,493.36-91,876

Finding the Fourth Proportional to 239,631.52, 359,493.36 and 91,876

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Solution

The fourth proportional to 239,631.52, 359,493.36 and 91,876 is: 137,831.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,631.52 : 359,493.36 = 91,876 : x
  2. Step 2: Convert to fraction form
    239,631.52/359,493.36 = 91,876/x
  3. Step 3: Cross multiply
    239,631.52x = 359,493.36 × 91,876
  4. Step 4: Simplify right side
    239,631.52x = 33,028,811,943.36
  5. Step 5: Solve for x
    x = 33,028,811,943.36/239,631.52
  6. Step 6: Final answer
    x = 137,831.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.