Home / 136,420.20-204,284.70-108,772.20

Finding the Fourth Proportional to 136,420.20, 204,284.70 and 108,772.20

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Solution

The fourth proportional to 136,420.20, 204,284.70 and 108,772.20 is: 162,882.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,420.20 : 204,284.70 = 108,772.20 : x
  2. Step 2: Convert to fraction form
    136,420.20/204,284.70 = 108,772.20/x
  3. Step 3: Cross multiply
    136,420.20x = 204,284.70 × 108,772.20
  4. Step 4: Simplify right side
    136,420.20x = 22,220,496,245.34
  5. Step 5: Solve for x
    x = 22,220,496,245.34/136,420.20
  6. Step 6: Final answer
    x = 162,882.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.