Home / 131,450.36-197,182.60-42,697.30

Finding the Fourth Proportional to 131,450.36, 197,182.60 and 42,697.30

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Solution

The fourth proportional to 131,450.36, 197,182.60 and 42,697.30 is: 64,048.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,450.36 : 197,182.60 = 42,697.30 : x
  2. Step 2: Convert to fraction form
    131,450.36/197,182.60 = 42,697.30/x
  3. Step 3: Cross multiply
    131,450.36x = 197,182.60 × 42,697.30
  4. Step 4: Simplify right side
    131,450.36x = 8,419,164,626.98
  5. Step 5: Solve for x
    x = 8,419,164,626.98/131,450.36
  6. Step 6: Final answer
    x = 64,048.24

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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.