Home / 109,069.07-163,436.60-73,398.15

Finding the Fourth Proportional to 109,069.07, 163,436.60 and 73,398.15

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Solution

The fourth proportional to 109,069.07, 163,436.60 and 73,398.15 is: 109,984.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,069.07 : 163,436.60 = 73,398.15 : x
  2. Step 2: Convert to fraction form
    109,069.07/163,436.60 = 73,398.15/x
  3. Step 3: Cross multiply
    109,069.07x = 163,436.60 × 73,398.15
  4. Step 4: Simplify right side
    109,069.07x = 11,995,944,265.79
  5. Step 5: Solve for x
    x = 11,995,944,265.79/109,069.07
  6. Step 6: Final answer
    x = 109,984.85

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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.