Home / 120,240.14-165,936.28-66,524.28

Finding the Fourth Proportional to 120,240.14, 165,936.28 and 66,524.28

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Solution

The fourth proportional to 120,240.14, 165,936.28 and 66,524.28 is: 91,806.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,240.14 : 165,936.28 = 66,524.28 : x
  2. Step 2: Convert to fraction form
    120,240.14/165,936.28 = 66,524.28/x
  3. Step 3: Cross multiply
    120,240.14x = 165,936.28 × 66,524.28
  4. Step 4: Simplify right side
    120,240.14x = 11,038,791,552.88
  5. Step 5: Solve for x
    x = 11,038,791,552.88/120,240.14
  6. Step 6: Final answer
    x = 91,806.21

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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.