Home / 113,756.36-170,635.68-43,619

Finding the Fourth Proportional to 113,756.36, 170,635.68 and 43,619

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Solution

The fourth proportional to 113,756.36, 170,635.68 and 43,619 is: 65,428.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,756.36 : 170,635.68 = 43,619 : x
  2. Step 2: Convert to fraction form
    113,756.36/170,635.68 = 43,619/x
  3. Step 3: Cross multiply
    113,756.36x = 170,635.68 × 43,619
  4. Step 4: Simplify right side
    113,756.36x = 7,442,957,725.92
  5. Step 5: Solve for x
    x = 7,442,957,725.92/113,756.36
  6. Step 6: Final answer
    x = 65,428.94

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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.