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Finding the Fourth Proportional to 100,558.20, 150,837.30 and 53,902.20

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Solution

The fourth proportional to 100,558.20, 150,837.30 and 53,902.20 is: 80,853.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,558.20 : 150,837.30 = 53,902.20 : x
  2. Step 2: Convert to fraction form
    100,558.20/150,837.30 = 53,902.20/x
  3. Step 3: Cross multiply
    100,558.20x = 150,837.30 × 53,902.20
  4. Step 4: Simplify right side
    100,558.20x = 8,130,462,312.06
  5. Step 5: Solve for x
    x = 8,130,462,312.06/100,558.20
  6. Step 6: Final answer
    x = 80,853.30

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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.