Home / 109,081.66-163,604.27-30,203.86

Finding the Fourth Proportional to 109,081.66, 163,604.27 and 30,203.86

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Solution

The fourth proportional to 109,081.66, 163,604.27 and 30,203.86 is: 45,300.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,081.66 : 163,604.27 = 30,203.86 : x
  2. Step 2: Convert to fraction form
    109,081.66/163,604.27 = 30,203.86/x
  3. Step 3: Cross multiply
    109,081.66x = 163,604.27 × 30,203.86
  4. Step 4: Simplify right side
    109,081.66x = 4,941,480,315.46
  5. Step 5: Solve for x
    x = 4,941,480,315.46/109,081.66
  6. Step 6: Final answer
    x = 45,300.74

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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.