Home / 136,910.40-189,902.94-133,269.04

Finding the Fourth Proportional to 136,910.40, 189,902.94 and 133,269.04

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Solution

The fourth proportional to 136,910.40, 189,902.94 and 133,269.04 is: 184,852.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,910.40 : 189,902.94 = 133,269.04 : x
  2. Step 2: Convert to fraction form
    136,910.40/189,902.94 = 133,269.04/x
  3. Step 3: Cross multiply
    136,910.40x = 189,902.94 × 133,269.04
  4. Step 4: Simplify right side
    136,910.40x = 25,308,182,506.98
  5. Step 5: Solve for x
    x = 25,308,182,506.98/136,910.40
  6. Step 6: Final answer
    x = 184,852.16

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.