Home / 222,249.04-306,705.76-121,649.20

Finding the Fourth Proportional to 222,249.04, 306,705.76 and 121,649.20

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Solution

The fourth proportional to 222,249.04, 306,705.76 and 121,649.20 is: 167,877.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,249.04 : 306,705.76 = 121,649.20 : x
  2. Step 2: Convert to fraction form
    222,249.04/306,705.76 = 121,649.20/x
  3. Step 3: Cross multiply
    222,249.04x = 306,705.76 × 121,649.20
  4. Step 4: Simplify right side
    222,249.04x = 37,310,510,339.39
  5. Step 5: Solve for x
    x = 37,310,510,339.39/222,249.04
  6. Step 6: Final answer
    x = 167,877.04

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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.