Home / 100,188.12-150,343.24-52,161.60

Finding the Fourth Proportional to 100,188.12, 150,343.24 and 52,161.60

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Solution

The fourth proportional to 100,188.12, 150,343.24 and 52,161.60 is: 78,274.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,188.12 : 150,343.24 = 52,161.60 : x
  2. Step 2: Convert to fraction form
    100,188.12/150,343.24 = 52,161.60/x
  3. Step 3: Cross multiply
    100,188.12x = 150,343.24 × 52,161.60
  4. Step 4: Simplify right side
    100,188.12x = 7,842,143,947.58
  5. Step 5: Solve for x
    x = 7,842,143,947.58/100,188.12
  6. Step 6: Final answer
    x = 78,274.19

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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.