Home / 119,183.44-164,404.45-71,409.12

Finding the Fourth Proportional to 119,183.44, 164,404.45 and 71,409.12

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Solution

The fourth proportional to 119,183.44, 164,404.45 and 71,409.12 is: 98,503.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,183.44 : 164,404.45 = 71,409.12 : x
  2. Step 2: Convert to fraction form
    119,183.44/164,404.45 = 71,409.12/x
  3. Step 3: Cross multiply
    119,183.44x = 164,404.45 × 71,409.12
  4. Step 4: Simplify right side
    119,183.44x = 11,739,976,920.06
  5. Step 5: Solve for x
    x = 11,739,976,920.06/119,183.44
  6. Step 6: Final answer
    x = 98,503.43

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1.5x scale

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.