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Finding the Fourth Proportional to 109,909.90, 164,866.07 and 35,029.45

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Solution

The fourth proportional to 109,909.90, 164,866.07 and 35,029.45 is: 52,544.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,909.90 : 164,866.07 = 35,029.45 : x
  2. Step 2: Convert to fraction form
    109,909.90/164,866.07 = 35,029.45/x
  3. Step 3: Cross multiply
    109,909.90x = 164,866.07 × 35,029.45
  4. Step 4: Simplify right side
    109,909.90x = 5,775,167,755.76
  5. Step 5: Solve for x
    x = 5,775,167,755.76/109,909.90
  6. Step 6: Final answer
    x = 52,544.56

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1.5x scale

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.