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Finding the Fourth Proportional to 199,965.03, 275,951.03 and 109,320.90

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Solution

The fourth proportional to 199,965.03, 275,951.03 and 109,320.90 is: 150,862.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,965.03 : 275,951.03 = 109,320.90 : x
  2. Step 2: Convert to fraction form
    199,965.03/275,951.03 = 109,320.90/x
  3. Step 3: Cross multiply
    199,965.03x = 275,951.03 × 109,320.90
  4. Step 4: Simplify right side
    199,965.03x = 30,167,214,955.53
  5. Step 5: Solve for x
    x = 30,167,214,955.53/199,965.03
  6. Step 6: Final answer
    x = 150,862.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.