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Finding the Fourth Proportional to 147,503.24, 203,496.52 and 90,816.20

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Solution

The fourth proportional to 147,503.24, 203,496.52 and 90,816.20 is: 125,290.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,503.24 : 203,496.52 = 90,816.20 : x
  2. Step 2: Convert to fraction form
    147,503.24/203,496.52 = 90,816.20/x
  3. Step 3: Cross multiply
    147,503.24x = 203,496.52 × 90,816.20
  4. Step 4: Simplify right side
    147,503.24x = 18,480,780,659.62
  5. Step 5: Solve for x
    x = 18,480,780,659.62/147,503.24
  6. Step 6: Final answer
    x = 125,290.68

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