Home / 109,240.25-163,869.27-30,354.48

Finding the Fourth Proportional to 109,240.25, 163,869.27 and 30,354.48

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Solution

The fourth proportional to 109,240.25, 163,869.27 and 30,354.48 is: 45,534.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,240.25 : 163,869.27 = 30,354.48 : x
  2. Step 2: Convert to fraction form
    109,240.25/163,869.27 = 30,354.48/x
  3. Step 3: Cross multiply
    109,240.25x = 163,869.27 × 30,354.48
  4. Step 4: Simplify right side
    109,240.25x = 4,974,166,327.06
  5. Step 5: Solve for x
    x = 4,974,166,327.06/109,240.25
  6. Step 6: Final answer
    x = 45,534.19

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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.