Home / 190,734.24-263,131.02-115,239

Finding the Fourth Proportional to 190,734.24, 263,131.02 and 115,239

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Solution

The fourth proportional to 190,734.24, 263,131.02 and 115,239 is: 158,980.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,734.24 : 263,131.02 = 115,239 : x
  2. Step 2: Convert to fraction form
    190,734.24/263,131.02 = 115,239/x
  3. Step 3: Cross multiply
    190,734.24x = 263,131.02 × 115,239
  4. Step 4: Simplify right side
    190,734.24x = 30,322,955,613.78
  5. Step 5: Solve for x
    x = 30,322,955,613.78/190,734.24
  6. Step 6: Final answer
    x = 158,980.14

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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.