Home / 133,100.20-199,577.40-54,125.20

Finding the Fourth Proportional to 133,100.20, 199,577.40 and 54,125.20

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Solution

The fourth proportional to 133,100.20, 199,577.40 and 54,125.20 is: 81,158.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,100.20 : 199,577.40 = 54,125.20 : x
  2. Step 2: Convert to fraction form
    133,100.20/199,577.40 = 54,125.20/x
  3. Step 3: Cross multiply
    133,100.20x = 199,577.40 × 54,125.20
  4. Step 4: Simplify right side
    133,100.20x = 10,802,166,690.48
  5. Step 5: Solve for x
    x = 10,802,166,690.48/133,100.20
  6. Step 6: Final answer
    x = 81,158.16

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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.