Home / 133,811.20-184,633.32-79,353.28

Finding the Fourth Proportional to 133,811.20, 184,633.32 and 79,353.28

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Solution

The fourth proportional to 133,811.20, 184,633.32 and 79,353.28 is: 109,492.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,811.20 : 184,633.32 = 79,353.28 : x
  2. Step 2: Convert to fraction form
    133,811.20/184,633.32 = 79,353.28/x
  3. Step 3: Cross multiply
    133,811.20x = 184,633.32 × 79,353.28
  4. Step 4: Simplify right side
    133,811.20x = 14,651,259,539.29
  5. Step 5: Solve for x
    x = 14,651,259,539.29/133,811.20
  6. Step 6: Final answer
    x = 109,492.03

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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.