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Finding the Fourth Proportional to 101,143.60, 151,423.80 and 101,143.60

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Solution

The fourth proportional to 101,143.60, 151,423.80 and 101,143.60 is: 151,423.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,143.60 : 151,423.80 = 101,143.60 : x
  2. Step 2: Convert to fraction form
    101,143.60/151,423.80 = 101,143.60/x
  3. Step 3: Cross multiply
    101,143.60x = 151,423.80 × 101,143.60
  4. Step 4: Simplify right side
    101,143.60x = 15,315,548,257.68
  5. Step 5: Solve for x
    x = 15,315,548,257.68/101,143.60
  6. Step 6: Final answer
    x = 151,423.80

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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.