Home / 135,707.10-203,579.85-52,609.50

Finding the Fourth Proportional to 135,707.10, 203,579.85 and 52,609.50

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Solution

The fourth proportional to 135,707.10, 203,579.85 and 52,609.50 is: 78,921.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,707.10 : 203,579.85 = 52,609.50 : x
  2. Step 2: Convert to fraction form
    135,707.10/203,579.85 = 52,609.50/x
  3. Step 3: Cross multiply
    135,707.10x = 203,579.85 × 52,609.50
  4. Step 4: Simplify right side
    135,707.10x = 10,710,234,118.58
  5. Step 5: Solve for x
    x = 10,710,234,118.58/135,707.10
  6. Step 6: Final answer
    x = 78,921.69

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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.