Home / 133,967.18-184,790.61-79,480.78

Finding the Fourth Proportional to 133,967.18, 184,790.61 and 79,480.78

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Solution

The fourth proportional to 133,967.18, 184,790.61 and 79,480.78 is: 109,633.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,967.18 : 184,790.61 = 79,480.78 : x
  2. Step 2: Convert to fraction form
    133,967.18/184,790.61 = 79,480.78/x
  3. Step 3: Cross multiply
    133,967.18x = 184,790.61 × 79,480.78
  4. Step 4: Simplify right side
    133,967.18x = 14,687,301,819.48
  5. Step 5: Solve for x
    x = 14,687,301,819.48/133,967.18
  6. Step 6: Final answer
    x = 109,633.58

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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.