Home / 160,817.06-221,782.25-100,393.29

Finding the Fourth Proportional to 160,817.06, 221,782.25 and 100,393.29

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Solution

The fourth proportional to 160,817.06, 221,782.25 and 100,393.29 is: 138,452.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,817.06 : 221,782.25 = 100,393.29 : x
  2. Step 2: Convert to fraction form
    160,817.06/221,782.25 = 100,393.29/x
  3. Step 3: Cross multiply
    160,817.06x = 221,782.25 × 100,393.29
  4. Step 4: Simplify right side
    160,817.06x = 22,265,449,992.09
  5. Step 5: Solve for x
    x = 22,265,449,992.09/160,817.06
  6. Step 6: Final answer
    x = 138,452.04

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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.