Home / 109,259.38-163,859.88-30,377.94

Finding the Fourth Proportional to 109,259.38, 163,859.88 and 30,377.94

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Solution

The fourth proportional to 109,259.38, 163,859.88 and 30,377.94 is: 45,558.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,259.38 : 163,859.88 = 30,377.94 : x
  2. Step 2: Convert to fraction form
    109,259.38/163,859.88 = 30,377.94/x
  3. Step 3: Cross multiply
    109,259.38x = 163,859.88 × 30,377.94
  4. Step 4: Simplify right side
    109,259.38x = 4,977,725,603.05
  5. Step 5: Solve for x
    x = 4,977,725,603.05/109,259.38
  6. Step 6: Final answer
    x = 45,558.79

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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.