Home / 109,079.66-163,601.26-30,201.86

Finding the Fourth Proportional to 109,079.66, 163,601.26 and 30,201.86

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Solution

The fourth proportional to 109,079.66, 163,601.26 and 30,201.86 is: 45,297.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,079.66 : 163,601.26 = 30,201.86 : x
  2. Step 2: Convert to fraction form
    109,079.66/163,601.26 = 30,201.86/x
  3. Step 3: Cross multiply
    109,079.66x = 163,601.26 × 30,201.86
  4. Step 4: Simplify right side
    109,079.66x = 4,941,062,350.34
  5. Step 5: Solve for x
    x = 4,941,062,350.34/109,079.66
  6. Step 6: Final answer
    x = 45,297.74

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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.