Home / 240,190.97-331,496.50-138,214.35

Finding the Fourth Proportional to 240,190.97, 331,496.50 and 138,214.35

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Solution

The fourth proportional to 240,190.97, 331,496.50 and 138,214.35 is: 190,754.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,190.97 : 331,496.50 = 138,214.35 : x
  2. Step 2: Convert to fraction form
    240,190.97/331,496.50 = 138,214.35/x
  3. Step 3: Cross multiply
    240,190.97x = 331,496.50 × 138,214.35
  4. Step 4: Simplify right side
    240,190.97x = 45,817,573,188.39
  5. Step 5: Solve for x
    x = 45,817,573,188.39/240,190.97
  6. Step 6: Final answer
    x = 190,754.77

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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.