Home / 87,162.22-130,813.39-45,054.65

Finding the Fourth Proportional to 87,162.22, 130,813.39 and 45,054.65

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Solution

The fourth proportional to 87,162.22, 130,813.39 and 45,054.65 is: 67,618.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,162.22 : 130,813.39 = 45,054.65 : x
  2. Step 2: Convert to fraction form
    87,162.22/130,813.39 = 45,054.65/x
  3. Step 3: Cross multiply
    87,162.22x = 130,813.39 × 45,054.65
  4. Step 4: Simplify right side
    87,162.22x = 5,893,750,622.42
  5. Step 5: Solve for x
    x = 5,893,750,622.42/87,162.22
  6. Step 6: Final answer
    x = 67,618.18

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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.