Home / 175,093.10-262,639.65-81,781.10

Finding the Fourth Proportional to 175,093.10, 262,639.65 and 81,781.10

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Solution

The fourth proportional to 175,093.10, 262,639.65 and 81,781.10 is: 122,671.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,093.10 : 262,639.65 = 81,781.10 : x
  2. Step 2: Convert to fraction form
    175,093.10/262,639.65 = 81,781.10/x
  3. Step 3: Cross multiply
    175,093.10x = 262,639.65 × 81,781.10
  4. Step 4: Simplify right side
    175,093.10x = 21,478,959,480.62
  5. Step 5: Solve for x
    x = 21,478,959,480.62/175,093.10
  6. Step 6: Final answer
    x = 122,671.65

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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.