Home / 133,614-184,381.92-79,928.69

Finding the Fourth Proportional to 133,614, 184,381.92 and 79,928.69

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Solution

The fourth proportional to 133,614, 184,381.92 and 79,928.69 is: 110,298.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,614 : 184,381.92 = 79,928.69 : x
  2. Step 2: Convert to fraction form
    133,614/184,381.92 = 79,928.69/x
  3. Step 3: Cross multiply
    133,614x = 184,381.92 × 79,928.69
  4. Step 4: Simplify right side
    133,614x = 14,737,404,403.38
  5. Step 5: Solve for x
    x = 14,737,404,403.38/133,614
  6. Step 6: Final answer
    x = 110,298.35

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1.5x scale

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.