Home / 160,215.44-221,103.12-103,626.80

Finding the Fourth Proportional to 160,215.44, 221,103.12 and 103,626.80

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Solution

The fourth proportional to 160,215.44, 221,103.12 and 103,626.80 is: 143,008.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,215.44 : 221,103.12 = 103,626.80 : x
  2. Step 2: Convert to fraction form
    160,215.44/221,103.12 = 103,626.80/x
  3. Step 3: Cross multiply
    160,215.44x = 221,103.12 × 103,626.80
  4. Step 4: Simplify right side
    160,215.44x = 22,912,208,795.62
  5. Step 5: Solve for x
    x = 22,912,208,795.62/160,215.44
  6. Step 6: Final answer
    x = 143,008.74

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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.