Home / 263,107.04-363,120.96-172,539.20

Finding the Fourth Proportional to 263,107.04, 363,120.96 and 172,539.20

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Solution

The fourth proportional to 263,107.04, 363,120.96 and 172,539.20 is: 238,125.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,107.04 : 363,120.96 = 172,539.20 : x
  2. Step 2: Convert to fraction form
    263,107.04/363,120.96 = 172,539.20/x
  3. Step 3: Cross multiply
    263,107.04x = 363,120.96 × 172,539.20
  4. Step 4: Simplify right side
    263,107.04x = 62,652,599,941.63
  5. Step 5: Solve for x
    x = 62,652,599,941.63/263,107.04
  6. Step 6: Final answer
    x = 238,125.90

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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.