Home / 133,360.20-199,967.40-54,385.20

Finding the Fourth Proportional to 133,360.20, 199,967.40 and 54,385.20

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Solution

The fourth proportional to 133,360.20, 199,967.40 and 54,385.20 is: 81,548.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,360.20 : 199,967.40 = 54,385.20 : x
  2. Step 2: Convert to fraction form
    133,360.20/199,967.40 = 54,385.20/x
  3. Step 3: Cross multiply
    133,360.20x = 199,967.40 × 54,385.20
  4. Step 4: Simplify right side
    133,360.20x = 10,875,267,042.48
  5. Step 5: Solve for x
    x = 10,875,267,042.48/133,360.20
  6. Step 6: Final answer
    x = 81,548.07

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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.