Home / 131,905.28-197,876.36-43,141.10

Finding the Fourth Proportional to 131,905.28, 197,876.36 and 43,141.10

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Solution

The fourth proportional to 131,905.28, 197,876.36 and 43,141.10 is: 64,717.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,905.28 : 197,876.36 = 43,141.10 : x
  2. Step 2: Convert to fraction form
    131,905.28/197,876.36 = 43,141.10/x
  3. Step 3: Cross multiply
    131,905.28x = 197,876.36 × 43,141.10
  4. Step 4: Simplify right side
    131,905.28x = 8,536,602,952.87
  5. Step 5: Solve for x
    x = 8,536,602,952.87/131,905.28
  6. Step 6: Final answer
    x = 64,717.67

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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.