Home / 109,077.64-163,620.12-30,185.26

Finding the Fourth Proportional to 109,077.64, 163,620.12 and 30,185.26

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Solution

The fourth proportional to 109,077.64, 163,620.12 and 30,185.26 is: 45,278.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,077.64 : 163,620.12 = 30,185.26 : x
  2. Step 2: Convert to fraction form
    109,077.64/163,620.12 = 30,185.26/x
  3. Step 3: Cross multiply
    109,077.64x = 163,620.12 × 30,185.26
  4. Step 4: Simplify right side
    109,077.64x = 4,938,915,863.43
  5. Step 5: Solve for x
    x = 4,938,915,863.43/109,077.64
  6. Step 6: Final answer
    x = 45,278.90

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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.