Home / 168,539.22-252,809.51-42,179.12

Finding the Fourth Proportional to 168,539.22, 252,809.51 and 42,179.12

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Solution

The fourth proportional to 168,539.22, 252,809.51 and 42,179.12 is: 63,268.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,539.22 : 252,809.51 = 42,179.12 : x
  2. Step 2: Convert to fraction form
    168,539.22/252,809.51 = 42,179.12/x
  3. Step 3: Cross multiply
    168,539.22x = 252,809.51 × 42,179.12
  4. Step 4: Simplify right side
    168,539.22x = 10,663,281,184.49
  5. Step 5: Solve for x
    x = 10,663,281,184.49/168,539.22
  6. Step 6: Final answer
    x = 63,268.84

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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.