Home / 252,979.54-349,116.35-138,263.04

Finding the Fourth Proportional to 252,979.54, 349,116.35 and 138,263.04

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Solution

The fourth proportional to 252,979.54, 349,116.35 and 138,263.04 is: 190,805.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,979.54 : 349,116.35 = 138,263.04 : x
  2. Step 2: Convert to fraction form
    252,979.54/349,116.35 = 138,263.04/x
  3. Step 3: Cross multiply
    252,979.54x = 349,116.35 × 138,263.04
  4. Step 4: Simplify right side
    252,979.54x = 48,269,887,173.39
  5. Step 5: Solve for x
    x = 48,269,887,173.39/252,979.54
  6. Step 6: Final answer
    x = 190,805.50

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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.