Home / 135,984.78-203,836.89-98,451.66

Finding the Fourth Proportional to 135,984.78, 203,836.89 and 98,451.66

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Solution

The fourth proportional to 135,984.78, 203,836.89 and 98,451.66 is: 147,575.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,984.78 : 203,836.89 = 98,451.66 : x
  2. Step 2: Convert to fraction form
    135,984.78/203,836.89 = 98,451.66/x
  3. Step 3: Cross multiply
    135,984.78x = 203,836.89 × 98,451.66
  4. Step 4: Simplify right side
    135,984.78x = 20,068,080,189.74
  5. Step 5: Solve for x
    x = 20,068,080,189.74/135,984.78
  6. Step 6: Final answer
    x = 147,575.93

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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.