Home / 135,072.60-202,317.30-87,833.40

Finding the Fourth Proportional to 135,072.60, 202,317.30 and 87,833.40

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Solution

The fourth proportional to 135,072.60, 202,317.30 and 87,833.40 is: 131,560.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,072.60 : 202,317.30 = 87,833.40 : x
  2. Step 2: Convert to fraction form
    135,072.60/202,317.30 = 87,833.40/x
  3. Step 3: Cross multiply
    135,072.60x = 202,317.30 × 87,833.40
  4. Step 4: Simplify right side
    135,072.60x = 17,770,216,337.82
  5. Step 5: Solve for x
    x = 17,770,216,337.82/135,072.60
  6. Step 6: Final answer
    x = 131,560.48

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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.