Home / 109,403.19-164,132.46-30,517.36

Finding the Fourth Proportional to 109,403.19, 164,132.46 and 30,517.36

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Solution

The fourth proportional to 109,403.19, 164,132.46 and 30,517.36 is: 45,783.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,403.19 : 164,132.46 = 30,517.36 : x
  2. Step 2: Convert to fraction form
    109,403.19/164,132.46 = 30,517.36/x
  3. Step 3: Cross multiply
    109,403.19x = 164,132.46 × 30,517.36
  4. Step 4: Simplify right side
    109,403.19x = 5,008,888,959.17
  5. Step 5: Solve for x
    x = 5,008,888,959.17/109,403.19
  6. Step 6: Final answer
    x = 45,783.76

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1.5x scale

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.