Home / 160,431.09-221,544.92-103,169.85

Finding the Fourth Proportional to 160,431.09, 221,544.92 and 103,169.85

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Solution

The fourth proportional to 160,431.09, 221,544.92 and 103,169.85 is: 142,470.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,431.09 : 221,544.92 = 103,169.85 : x
  2. Step 2: Convert to fraction form
    160,431.09/221,544.92 = 103,169.85/x
  3. Step 3: Cross multiply
    160,431.09x = 221,544.92 × 103,169.85
  4. Step 4: Simplify right side
    160,431.09x = 22,856,756,422.59
  5. Step 5: Solve for x
    x = 22,856,756,422.59/160,431.09
  6. Step 6: Final answer
    x = 142,470.87

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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.