Home / 86,121.00-118,853.64-51,667.03

Finding the Fourth Proportional to 86,121.00, 118,853.64 and 51,667.03

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Solution

The fourth proportional to 86,121.00, 118,853.64 and 51,667.03 is: 71,304.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,121.00 : 118,853.64 = 51,667.03 : x
  2. Step 2: Convert to fraction form
    86,121.00/118,853.64 = 51,667.03/x
  3. Step 3: Cross multiply
    86,121.00x = 118,853.64 × 51,667.03
  4. Step 4: Simplify right side
    86,121.00x = 6,140,814,538.30
  5. Step 5: Solve for x
    x = 6,140,814,538.30/86,121.00
  6. Step 6: Final answer
    x = 71,304.49

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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.