Home / 232,172.60-320,401.73-135,373.78

Finding the Fourth Proportional to 232,172.60, 320,401.73 and 135,373.78

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Solution

The fourth proportional to 232,172.60, 320,401.73 and 135,373.78 is: 186,817.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,172.60 : 320,401.73 = 135,373.78 : x
  2. Step 2: Convert to fraction form
    232,172.60/320,401.73 = 135,373.78/x
  3. Step 3: Cross multiply
    232,172.60x = 320,401.73 × 135,373.78
  4. Step 4: Simplify right side
    232,172.60x = 43,373,993,308.64
  5. Step 5: Solve for x
    x = 43,373,993,308.64/232,172.60
  6. Step 6: Final answer
    x = 186,817.88

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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.