Home / 160,100.64-220,682.16-108,401.40

Finding the Fourth Proportional to 160,100.64, 220,682.16 and 108,401.40

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Solution

The fourth proportional to 160,100.64, 220,682.16 and 108,401.40 is: 149,420.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,100.64 : 220,682.16 = 108,401.40 : x
  2. Step 2: Convert to fraction form
    160,100.64/220,682.16 = 108,401.40/x
  3. Step 3: Cross multiply
    160,100.64x = 220,682.16 × 108,401.40
  4. Step 4: Simplify right side
    160,100.64x = 23,922,255,099.02
  5. Step 5: Solve for x
    x = 23,922,255,099.02/160,100.64
  6. Step 6: Final answer
    x = 149,420.11

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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.