Home / 156,765.16-216,217.38-108,994.60

Finding the Fourth Proportional to 156,765.16, 216,217.38 and 108,994.60

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Solution

The fourth proportional to 156,765.16, 216,217.38 and 108,994.60 is: 150,330.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,765.16 : 216,217.38 = 108,994.60 : x
  2. Step 2: Convert to fraction form
    156,765.16/216,217.38 = 108,994.60/x
  3. Step 3: Cross multiply
    156,765.16x = 216,217.38 × 108,994.60
  4. Step 4: Simplify right side
    156,765.16x = 23,566,526,846.15
  5. Step 5: Solve for x
    x = 23,566,526,846.15/156,765.16
  6. Step 6: Final answer
    x = 150,330.13

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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.