Home / 86,174.22-118,918.74-47,932.47

Finding the Fourth Proportional to 86,174.22, 118,918.74 and 47,932.47

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Solution

The fourth proportional to 86,174.22, 118,918.74 and 47,932.47 is: 66,145.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,174.22 : 118,918.74 = 47,932.47 : x
  2. Step 2: Convert to fraction form
    86,174.22/118,918.74 = 47,932.47/x
  3. Step 3: Cross multiply
    86,174.22x = 118,918.74 × 47,932.47
  4. Step 4: Simplify right side
    86,174.22x = 5,700,068,937.49
  5. Step 5: Solve for x
    x = 5,700,068,937.49/86,174.22
  6. Step 6: Final answer
    x = 66,145.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.