Home / 135,783.40-203,593.28-60,890

Finding the Fourth Proportional to 135,783.40, 203,593.28 and 60,890

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Solution

The fourth proportional to 135,783.40, 203,593.28 and 60,890 is: 91,298.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,783.40 : 203,593.28 = 60,890 : x
  2. Step 2: Convert to fraction form
    135,783.40/203,593.28 = 60,890/x
  3. Step 3: Cross multiply
    135,783.40x = 203,593.28 × 60,890
  4. Step 4: Simplify right side
    135,783.40x = 12,396,794,819.20
  5. Step 5: Solve for x
    x = 12,396,794,819.20/135,783.40
  6. Step 6: Final answer
    x = 91,298.31

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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.