Home / 222,029.16-306,457.20-137,097.42

Finding the Fourth Proportional to 222,029.16, 306,457.20 and 137,097.42

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Solution

The fourth proportional to 222,029.16, 306,457.20 and 137,097.42 is: 189,229.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,029.16 : 306,457.20 = 137,097.42 : x
  2. Step 2: Convert to fraction form
    222,029.16/306,457.20 = 137,097.42/x
  3. Step 3: Cross multiply
    222,029.16x = 306,457.20 × 137,097.42
  4. Step 4: Simplify right side
    222,029.16x = 42,014,491,460.42
  5. Step 5: Solve for x
    x = 42,014,491,460.42/222,029.16
  6. Step 6: Final answer
    x = 189,229.61

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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.