Home / 135,579.04-203,327.48-40,784.04

Finding the Fourth Proportional to 135,579.04, 203,327.48 and 40,784.04

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Solution

The fourth proportional to 135,579.04, 203,327.48 and 40,784.04 is: 61,163.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,579.04 : 203,327.48 = 40,784.04 : x
  2. Step 2: Convert to fraction form
    135,579.04/203,327.48 = 40,784.04/x
  3. Step 3: Cross multiply
    135,579.04x = 203,327.48 × 40,784.04
  4. Step 4: Simplify right side
    135,579.04x = 8,292,516,077.42
  5. Step 5: Solve for x
    x = 8,292,516,077.42/135,579.04
  6. Step 6: Final answer
    x = 61,163.70

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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.