Home / 261,180.02-391,245.12-136,258.58

Finding the Fourth Proportional to 261,180.02, 391,245.12 and 136,258.58

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Solution

The fourth proportional to 261,180.02, 391,245.12 and 136,258.58 is: 204,114.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,180.02 : 391,245.12 = 136,258.58 : x
  2. Step 2: Convert to fraction form
    261,180.02/391,245.12 = 136,258.58/x
  3. Step 3: Cross multiply
    261,180.02x = 391,245.12 × 136,258.58
  4. Step 4: Simplify right side
    261,180.02x = 53,310,504,483.13
  5. Step 5: Solve for x
    x = 53,310,504,483.13/261,180.02
  6. Step 6: Final answer
    x = 204,114.02

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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.