Home / 86,164.40-129,267.22-41,739.22

Finding the Fourth Proportional to 86,164.40, 129,267.22 and 41,739.22

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Solution

The fourth proportional to 86,164.40, 129,267.22 and 41,739.22 is: 62,618.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,164.40 : 129,267.22 = 41,739.22 : x
  2. Step 2: Convert to fraction form
    86,164.40/129,267.22 = 41,739.22/x
  3. Step 3: Cross multiply
    86,164.40x = 129,267.22 × 41,739.22
  4. Step 4: Simplify right side
    86,164.40x = 5,395,512,934.37
  5. Step 5: Solve for x
    x = 5,395,512,934.37/86,164.40
  6. Step 6: Final answer
    x = 62,618.82

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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.