Home / 86,857.34-130,308.46-50,864.18

Finding the Fourth Proportional to 86,857.34, 130,308.46 and 50,864.18

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Solution

The fourth proportional to 86,857.34, 130,308.46 and 50,864.18 is: 76,309.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,857.34 : 130,308.46 = 50,864.18 : x
  2. Step 2: Convert to fraction form
    86,857.34/130,308.46 = 50,864.18/x
  3. Step 3: Cross multiply
    86,857.34x = 130,308.46 × 50,864.18
  4. Step 4: Simplify right side
    86,857.34x = 6,628,033,163.57
  5. Step 5: Solve for x
    x = 6,628,033,163.57/86,857.34
  6. Step 6: Final answer
    x = 76,309.42

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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.