Home / 109,839.20-164,540.10-63,037.40

Finding the Fourth Proportional to 109,839.20, 164,540.10 and 63,037.40

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Solution

The fourth proportional to 109,839.20, 164,540.10 and 63,037.40 is: 94,430.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,839.20 : 164,540.10 = 63,037.40 : x
  2. Step 2: Convert to fraction form
    109,839.20/164,540.10 = 63,037.40/x
  3. Step 3: Cross multiply
    109,839.20x = 164,540.10 × 63,037.40
  4. Step 4: Simplify right side
    109,839.20x = 10,372,180,099.74
  5. Step 5: Solve for x
    x = 10,372,180,099.74/109,839.20
  6. Step 6: Final answer
    x = 94,430.59

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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.