Home / 120,182.67-165,839.40-66,459.15

Finding the Fourth Proportional to 120,182.67, 165,839.40 and 66,459.15

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Solution

The fourth proportional to 120,182.67, 165,839.40 and 66,459.15 is: 91,706.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,182.67 : 165,839.40 = 66,459.15 : x
  2. Step 2: Convert to fraction form
    120,182.67/165,839.40 = 66,459.15/x
  3. Step 3: Cross multiply
    120,182.67x = 165,839.40 × 66,459.15
  4. Step 4: Simplify right side
    120,182.67x = 11,021,545,560.51
  5. Step 5: Solve for x
    x = 11,021,545,560.51/120,182.67
  6. Step 6: Final answer
    x = 91,706.61

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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.