Home / 135,724.90-203,522.54-79,582.10

Finding the Fourth Proportional to 135,724.90, 203,522.54 and 79,582.10

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Solution

The fourth proportional to 135,724.90, 203,522.54 and 79,582.10 is: 119,335.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,724.90 : 203,522.54 = 79,582.10 : x
  2. Step 2: Convert to fraction form
    135,724.90/203,522.54 = 79,582.10/x
  3. Step 3: Cross multiply
    135,724.90x = 203,522.54 × 79,582.10
  4. Step 4: Simplify right side
    135,724.90x = 16,196,751,241.43
  5. Step 5: Solve for x
    x = 16,196,751,241.43/135,724.90
  6. Step 6: Final answer
    x = 119,335.15

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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.