Home / 133,677.90-184,466.34-78,505.38

Finding the Fourth Proportional to 133,677.90, 184,466.34 and 78,505.38

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Solution

The fourth proportional to 133,677.90, 184,466.34 and 78,505.38 is: 108,332.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,677.90 : 184,466.34 = 78,505.38 : x
  2. Step 2: Convert to fraction form
    133,677.90/184,466.34 = 78,505.38/x
  3. Step 3: Cross multiply
    133,677.90x = 184,466.34 × 78,505.38
  4. Step 4: Simplify right side
    133,677.90x = 14,481,600,118.91
  5. Step 5: Solve for x
    x = 14,481,600,118.91/133,677.90
  6. Step 6: Final answer
    x = 108,332.04

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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.