Home / 131,908.50-182,066.94-75,352.68

Finding the Fourth Proportional to 131,908.50, 182,066.94 and 75,352.68

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Solution

The fourth proportional to 131,908.50, 182,066.94 and 75,352.68 is: 104,005.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,908.50 : 182,066.94 = 75,352.68 : x
  2. Step 2: Convert to fraction form
    131,908.50/182,066.94 = 75,352.68/x
  3. Step 3: Cross multiply
    131,908.50x = 182,066.94 × 75,352.68
  4. Step 4: Simplify right side
    131,908.50x = 13,719,231,868.40
  5. Step 5: Solve for x
    x = 13,719,231,868.40/131,908.50
  6. Step 6: Final answer
    x = 104,005.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.