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Finding the Fourth Proportional to 250,080, 345,110.67 and 136,903.02

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Solution

The fourth proportional to 250,080, 345,110.67 and 136,903.02 is: 188,926.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,080 : 345,110.67 = 136,903.02 : x
  2. Step 2: Convert to fraction form
    250,080/345,110.67 = 136,903.02/x
  3. Step 3: Cross multiply
    250,080x = 345,110.67 × 136,903.02
  4. Step 4: Simplify right side
    250,080x = 47,246,692,957.22
  5. Step 5: Solve for x
    x = 47,246,692,957.22/250,080
  6. Step 6: Final answer
    x = 188,926.32

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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.