Home / 133,230.66-199,984.41-89,165.34

Finding the Fourth Proportional to 133,230.66, 199,984.41 and 89,165.34

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Solution

The fourth proportional to 133,230.66, 199,984.41 and 89,165.34 is: 133,840.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,230.66 : 199,984.41 = 89,165.34 : x
  2. Step 2: Convert to fraction form
    133,230.66/199,984.41 = 89,165.34/x
  3. Step 3: Cross multiply
    133,230.66x = 199,984.41 × 89,165.34
  4. Step 4: Simplify right side
    133,230.66x = 17,831,677,912.35
  5. Step 5: Solve for x
    x = 17,831,677,912.35/133,230.66
  6. Step 6: Final answer
    x = 133,840.65

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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.