Home / 99,300.30-136,902.74-82,241.70

Finding the Fourth Proportional to 99,300.30, 136,902.74 and 82,241.70

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Solution

The fourth proportional to 99,300.30, 136,902.74 and 82,241.70 is: 113,384.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,300.30 : 136,902.74 = 82,241.70 : x
  2. Step 2: Convert to fraction form
    99,300.30/136,902.74 = 82,241.70/x
  3. Step 3: Cross multiply
    99,300.30x = 136,902.74 × 82,241.70
  4. Step 4: Simplify right side
    99,300.30x = 11,259,113,661.05
  5. Step 5: Solve for x
    x = 11,259,113,661.05/99,300.30
  6. Step 6: Final answer
    x = 113,384.49

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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.