Home / 131,319.56-197,040.88-64,723.36

Finding the Fourth Proportional to 131,319.56, 197,040.88 and 64,723.36

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Solution

The fourth proportional to 131,319.56, 197,040.88 and 64,723.36 is: 97,115.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,319.56 : 197,040.88 = 64,723.36 : x
  2. Step 2: Convert to fraction form
    131,319.56/197,040.88 = 64,723.36/x
  3. Step 3: Cross multiply
    131,319.56x = 197,040.88 × 64,723.36
  4. Step 4: Simplify right side
    131,319.56x = 12,753,147,810.96
  5. Step 5: Solve for x
    x = 12,753,147,810.96/131,319.56
  6. Step 6: Final answer
    x = 97,115.37

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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.