Home / 160,512.32-221,447.52-103,954.88

Finding the Fourth Proportional to 160,512.32, 221,447.52 and 103,954.88

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Solution

The fourth proportional to 160,512.32, 221,447.52 and 103,954.88 is: 143,419.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,512.32 : 221,447.52 = 103,954.88 : x
  2. Step 2: Convert to fraction form
    160,512.32/221,447.52 = 103,954.88/x
  3. Step 3: Cross multiply
    160,512.32x = 221,447.52 × 103,954.88
  4. Step 4: Simplify right side
    160,512.32x = 23,020,550,367.90
  5. Step 5: Solve for x
    x = 23,020,550,367.90/160,512.32
  6. Step 6: Final answer
    x = 143,419.21

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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.