Home / 109,480.26-151,080.74-61,733.64

Finding the Fourth Proportional to 109,480.26, 151,080.74 and 61,733.64

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Solution

The fourth proportional to 109,480.26, 151,080.74 and 61,733.64 is: 85,191.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,480.26 : 151,080.74 = 61,733.64 : x
  2. Step 2: Convert to fraction form
    109,480.26/151,080.74 = 61,733.64/x
  3. Step 3: Cross multiply
    109,480.26x = 151,080.74 × 61,733.64
  4. Step 4: Simplify right side
    109,480.26x = 9,326,764,014.09
  5. Step 5: Solve for x
    x = 9,326,764,014.09/109,480.26
  6. Step 6: Final answer
    x = 85,191.28

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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.