Home / 135,360.60-203,008.08-56,475.48

Finding the Fourth Proportional to 135,360.60, 203,008.08 and 56,475.48

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Solution

The fourth proportional to 135,360.60, 203,008.08 and 56,475.48 is: 84,699.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,360.60 : 203,008.08 = 56,475.48 : x
  2. Step 2: Convert to fraction form
    135,360.60/203,008.08 = 56,475.48/x
  3. Step 3: Cross multiply
    135,360.60x = 203,008.08 × 56,475.48
  4. Step 4: Simplify right side
    135,360.60x = 11,464,978,761.88
  5. Step 5: Solve for x
    x = 11,464,978,761.88/135,360.60
  6. Step 6: Final answer
    x = 84,699.53

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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.