Home / 102,968.96-154,434.38-36,409.64

Finding the Fourth Proportional to 102,968.96, 154,434.38 and 36,409.64

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Solution

The fourth proportional to 102,968.96, 154,434.38 and 36,409.64 is: 54,607.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,968.96 : 154,434.38 = 36,409.64 : x
  2. Step 2: Convert to fraction form
    102,968.96/154,434.38 = 36,409.64/x
  3. Step 3: Cross multiply
    102,968.96x = 154,434.38 × 36,409.64
  4. Step 4: Simplify right side
    102,968.96x = 5,622,900,179.42
  5. Step 5: Solve for x
    x = 5,622,900,179.42/102,968.96
  6. Step 6: Final answer
    x = 54,607.72

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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.