Home / 131,187.12-196,742.22-60,069.54

Finding the Fourth Proportional to 131,187.12, 196,742.22 and 60,069.54

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Solution

The fourth proportional to 131,187.12, 196,742.22 and 60,069.54 is: 90,086.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,187.12 : 196,742.22 = 60,069.54 : x
  2. Step 2: Convert to fraction form
    131,187.12/196,742.22 = 60,069.54/x
  3. Step 3: Cross multiply
    131,187.12x = 196,742.22 × 60,069.54
  4. Step 4: Simplify right side
    131,187.12x = 11,818,214,653.98
  5. Step 5: Solve for x
    x = 11,818,214,653.98/131,187.12
  6. Step 6: Final answer
    x = 90,086.70

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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.