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Finding the Fourth Proportional to 133,309.88, 183,777.84 and 90,814.04

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Solution

The fourth proportional to 133,309.88, 183,777.84 and 90,814.04 is: 125,194.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,309.88 : 183,777.84 = 90,814.04 : x
  2. Step 2: Convert to fraction form
    133,309.88/183,777.84 = 90,814.04/x
  3. Step 3: Cross multiply
    133,309.88x = 183,777.84 × 90,814.04
  4. Step 4: Simplify right side
    133,309.88x = 16,689,608,112.87
  5. Step 5: Solve for x
    x = 16,689,608,112.87/133,309.88
  6. Step 6: Final answer
    x = 125,194.08

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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.