Home / 86,155.64-118,899.39-50,366.60

Finding the Fourth Proportional to 86,155.64, 118,899.39 and 50,366.60

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Solution

The fourth proportional to 86,155.64, 118,899.39 and 50,366.60 is: 69,508.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,155.64 : 118,899.39 = 50,366.60 : x
  2. Step 2: Convert to fraction form
    86,155.64/118,899.39 = 50,366.60/x
  3. Step 3: Cross multiply
    86,155.64x = 118,899.39 × 50,366.60
  4. Step 4: Simplify right side
    86,155.64x = 5,988,557,421.88
  5. Step 5: Solve for x
    x = 5,988,557,421.88/86,155.64
  6. Step 6: Final answer
    x = 69,508.60

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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.