Home / 194,358.13-268,218.64-108,325.96

Finding the Fourth Proportional to 194,358.13, 268,218.64 and 108,325.96

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Solution

The fourth proportional to 194,358.13, 268,218.64 and 108,325.96 is: 149,492.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,358.13 : 268,218.64 = 108,325.96 : x
  2. Step 2: Convert to fraction form
    194,358.13/268,218.64 = 108,325.96/x
  3. Step 3: Cross multiply
    194,358.13x = 268,218.64 × 108,325.96
  4. Step 4: Simplify right side
    194,358.13x = 29,055,041,132.76
  5. Step 5: Solve for x
    x = 29,055,041,132.76/194,358.13
  6. Step 6: Final answer
    x = 149,492.28

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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.