Home / 87,164.22-130,816.39-45,056.65

Finding the Fourth Proportional to 87,164.22, 130,816.39 and 45,056.65

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Solution

The fourth proportional to 87,164.22, 130,816.39 and 45,056.65 is: 67,621.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,164.22 : 130,816.39 = 45,056.65 : x
  2. Step 2: Convert to fraction form
    87,164.22/130,816.39 = 45,056.65/x
  3. Step 3: Cross multiply
    87,164.22x = 130,816.39 × 45,056.65
  4. Step 4: Simplify right side
    87,164.22x = 5,894,148,298.49
  5. Step 5: Solve for x
    x = 5,894,148,298.49/87,164.22
  6. Step 6: Final answer
    x = 67,621.19

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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.