Home / 113,450.52-170,187.42-43,388.76

Finding the Fourth Proportional to 113,450.52, 170,187.42 and 43,388.76

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Solution

The fourth proportional to 113,450.52, 170,187.42 and 43,388.76 is: 65,087.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,450.52 : 170,187.42 = 43,388.76 : x
  2. Step 2: Convert to fraction form
    113,450.52/170,187.42 = 43,388.76/x
  3. Step 3: Cross multiply
    113,450.52x = 170,187.42 × 43,388.76
  4. Step 4: Simplify right side
    113,450.52x = 7,384,221,121.40
  5. Step 5: Solve for x
    x = 7,384,221,121.40/113,450.52
  6. Step 6: Final answer
    x = 65,087.59

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1.5x scale

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.