Home / 234,897.42-324,154.94-138,112.21

Finding the Fourth Proportional to 234,897.42, 324,154.94 and 138,112.21

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Solution

The fourth proportional to 234,897.42, 324,154.94 and 138,112.21 is: 190,592.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,897.42 : 324,154.94 = 138,112.21 : x
  2. Step 2: Convert to fraction form
    234,897.42/324,154.94 = 138,112.21/x
  3. Step 3: Cross multiply
    234,897.42x = 324,154.94 × 138,112.21
  4. Step 4: Simplify right side
    234,897.42x = 44,769,755,145.82
  5. Step 5: Solve for x
    x = 44,769,755,145.82/234,897.42
  6. Step 6: Final answer
    x = 190,592.79

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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.