Home / 172,949.85-238,634.51-105,002.60

Finding the Fourth Proportional to 172,949.85, 238,634.51 and 105,002.60

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Solution

The fourth proportional to 172,949.85, 238,634.51 and 105,002.60 is: 144,881.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,949.85 : 238,634.51 = 105,002.60 : x
  2. Step 2: Convert to fraction form
    172,949.85/238,634.51 = 105,002.60/x
  3. Step 3: Cross multiply
    172,949.85x = 238,634.51 × 105,002.60
  4. Step 4: Simplify right side
    172,949.85x = 25,057,242,281.54
  5. Step 5: Solve for x
    x = 25,057,242,281.54/172,949.85
  6. Step 6: Final answer
    x = 144,881.55

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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.