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Finding the Fourth Proportional to 100,350.90, 150,526.35 and 67,086.90

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Solution

The fourth proportional to 100,350.90, 150,526.35 and 67,086.90 is: 100,630.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,350.90 : 150,526.35 = 67,086.90 : x
  2. Step 2: Convert to fraction form
    100,350.90/150,526.35 = 67,086.90/x
  3. Step 3: Cross multiply
    100,350.90x = 150,526.35 × 67,086.90
  4. Step 4: Simplify right side
    100,350.90x = 10,098,346,189.82
  5. Step 5: Solve for x
    x = 10,098,346,189.82/100,350.90
  6. Step 6: Final answer
    x = 100,630.35

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.