Home / 109,398.58-164,125.56-30,512.81

Finding the Fourth Proportional to 109,398.58, 164,125.56 and 30,512.81

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Solution

The fourth proportional to 109,398.58, 164,125.56 and 30,512.81 is: 45,776.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,398.58 : 164,125.56 = 30,512.81 : x
  2. Step 2: Convert to fraction form
    109,398.58/164,125.56 = 30,512.81/x
  3. Step 3: Cross multiply
    109,398.58x = 164,125.56 × 30,512.81
  4. Step 4: Simplify right side
    109,398.58x = 5,007,932,028.42
  5. Step 5: Solve for x
    x = 5,007,932,028.42/109,398.58
  6. Step 6: Final answer
    x = 45,776.94

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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.