Home / 109,236.30-163,863.29-30,350.53

Finding the Fourth Proportional to 109,236.30, 163,863.29 and 30,350.53

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Solution

The fourth proportional to 109,236.30, 163,863.29 and 30,350.53 is: 45,528.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,236.30 : 163,863.29 = 30,350.53 : x
  2. Step 2: Convert to fraction form
    109,236.30/163,863.29 = 30,350.53/x
  3. Step 3: Cross multiply
    109,236.30x = 163,863.29 × 30,350.53
  4. Step 4: Simplify right side
    109,236.30x = 4,973,337,699.04
  5. Step 5: Solve for x
    x = 4,973,337,699.04/109,236.30
  6. Step 6: Final answer
    x = 45,528.25

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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.