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Finding the Fourth Proportional to 133,245.70, 183,820.00 and 79,499.46

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Solution

The fourth proportional to 133,245.70, 183,820.00 and 79,499.46 is: 109,674.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,245.70 : 183,820.00 = 79,499.46 : x
  2. Step 2: Convert to fraction form
    133,245.70/183,820.00 = 79,499.46/x
  3. Step 3: Cross multiply
    133,245.70x = 183,820.00 × 79,499.46
  4. Step 4: Simplify right side
    133,245.70x = 14,613,591,376.84
  5. Step 5: Solve for x
    x = 14,613,591,376.84/133,245.70
  6. Step 6: Final answer
    x = 109,674.02

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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.