Home / 133,532.40-184,261.92-79,806.72

Finding the Fourth Proportional to 133,532.40, 184,261.92 and 79,806.72

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Solution

The fourth proportional to 133,532.40, 184,261.92 and 79,806.72 is: 110,125.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,532.40 : 184,261.92 = 79,806.72 : x
  2. Step 2: Convert to fraction form
    133,532.40/184,261.92 = 79,806.72/x
  3. Step 3: Cross multiply
    133,532.40x = 184,261.92 × 79,806.72
  4. Step 4: Simplify right side
    133,532.40x = 14,705,339,456.10
  5. Step 5: Solve for x
    x = 14,705,339,456.10/133,532.40
  6. Step 6: Final answer
    x = 110,125.63

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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.