Home / 252,646.08-379,008-84,108.60

Finding the Fourth Proportional to 252,646.08, 379,008 and 84,108.60

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Solution

The fourth proportional to 252,646.08, 379,008 and 84,108.60 is: 126,175.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,646.08 : 379,008 = 84,108.60 : x
  2. Step 2: Convert to fraction form
    252,646.08/379,008 = 84,108.60/x
  3. Step 3: Cross multiply
    252,646.08x = 379,008 × 84,108.60
  4. Step 4: Simplify right side
    252,646.08x = 31,877,832,268.80
  5. Step 5: Solve for x
    x = 31,877,832,268.80/252,646.08
  6. Step 6: Final answer
    x = 126,175.84

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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.