Home / 99,712.79-149,536.82-33,135.05

Finding the Fourth Proportional to 99,712.79, 149,536.82 and 33,135.05

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Solution

The fourth proportional to 99,712.79, 149,536.82 and 33,135.05 is: 49,691.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,712.79 : 149,536.82 = 33,135.05 : x
  2. Step 2: Convert to fraction form
    99,712.79/149,536.82 = 33,135.05/x
  3. Step 3: Cross multiply
    99,712.79x = 149,536.82 × 33,135.05
  4. Step 4: Simplify right side
    99,712.79x = 4,954,909,094.18
  5. Step 5: Solve for x
    x = 4,954,909,094.18/99,712.79
  6. Step 6: Final answer
    x = 49,691.81

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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.