Home / 252,949.96-349,071.78-138,228.60

Finding the Fourth Proportional to 252,949.96, 349,071.78 and 138,228.60

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Solution

The fourth proportional to 252,949.96, 349,071.78 and 138,228.60 is: 190,755.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,949.96 : 349,071.78 = 138,228.60 : x
  2. Step 2: Convert to fraction form
    252,949.96/349,071.78 = 138,228.60/x
  3. Step 3: Cross multiply
    252,949.96x = 349,071.78 × 138,228.60
  4. Step 4: Simplify right side
    252,949.96x = 48,251,703,448.91
  5. Step 5: Solve for x
    x = 48,251,703,448.91/252,949.96
  6. Step 6: Final answer
    x = 190,755.92

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1.5x scale

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.