Home / 87,556.34-131,365.54-43,214.22

Finding the Fourth Proportional to 87,556.34, 131,365.54 and 43,214.22

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Solution

The fourth proportional to 87,556.34, 131,365.54 and 43,214.22 is: 64,836.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,556.34 : 131,365.54 = 43,214.22 : x
  2. Step 2: Convert to fraction form
    87,556.34/131,365.54 = 43,214.22/x
  3. Step 3: Cross multiply
    87,556.34x = 131,365.54 × 43,214.22
  4. Step 4: Simplify right side
    87,556.34x = 5,676,859,345.98
  5. Step 5: Solve for x
    x = 5,676,859,345.98/87,556.34
  6. Step 6: Final answer
    x = 64,836.65

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1.5x scale

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.