Home / 194,723.10-268,719.93-108,690.30

Finding the Fourth Proportional to 194,723.10, 268,719.93 and 108,690.30

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Solution

The fourth proportional to 194,723.10, 268,719.93 and 108,690.30 is: 149,993.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,723.10 : 268,719.93 = 108,690.30 : x
  2. Step 2: Convert to fraction form
    194,723.10/268,719.93 = 108,690.30/x
  3. Step 3: Cross multiply
    194,723.10x = 268,719.93 × 108,690.30
  4. Step 4: Simplify right side
    194,723.10x = 29,207,249,807.68
  5. Step 5: Solve for x
    x = 29,207,249,807.68/194,723.10
  6. Step 6: Final answer
    x = 149,993.76

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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.