Home / 120,250.98-165,944.70-66,535.02

Finding the Fourth Proportional to 120,250.98, 165,944.70 and 66,535.02

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Solution

The fourth proportional to 120,250.98, 165,944.70 and 66,535.02 is: 91,817.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,250.98 : 165,944.70 = 66,535.02 : x
  2. Step 2: Convert to fraction form
    120,250.98/165,944.70 = 66,535.02/x
  3. Step 3: Cross multiply
    120,250.98x = 165,944.70 × 66,535.02
  4. Step 4: Simplify right side
    120,250.98x = 11,041,133,933.39
  5. Step 5: Solve for x
    x = 11,041,133,933.39/120,250.98
  6. Step 6: Final answer
    x = 91,817.41

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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.