Home / 135,881.20-204,016.20-96,612.40

Finding the Fourth Proportional to 135,881.20, 204,016.20 and 96,612.40

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Solution

The fourth proportional to 135,881.20, 204,016.20 and 96,612.40 is: 145,056.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,881.20 : 204,016.20 = 96,612.40 : x
  2. Step 2: Convert to fraction form
    135,881.20/204,016.20 = 96,612.40/x
  3. Step 3: Cross multiply
    135,881.20x = 204,016.20 × 96,612.40
  4. Step 4: Simplify right side
    135,881.20x = 19,710,494,720.88
  5. Step 5: Solve for x
    x = 19,710,494,720.88/135,881.20
  6. Step 6: Final answer
    x = 145,056.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.