Home / 515,165.43-772,660.67-136,090.29

Finding the Fourth Proportional to 515,165.43, 772,660.67 and 136,090.29

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Solution

The fourth proportional to 515,165.43, 772,660.67 and 136,090.29 is: 204,112.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,165.43 : 772,660.67 = 136,090.29 : x
  2. Step 2: Convert to fraction form
    515,165.43/772,660.67 = 136,090.29/x
  3. Step 3: Cross multiply
    515,165.43x = 772,660.67 × 136,090.29
  4. Step 4: Simplify right side
    515,165.43x = 105,151,613,971.44
  5. Step 5: Solve for x
    x = 105,151,613,971.44/515,165.43
  6. Step 6: Final answer
    x = 204,112.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.