Home / 132,000.26-182,146.86-81,015.12

Finding the Fourth Proportional to 132,000.26, 182,146.86 and 81,015.12

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Solution

The fourth proportional to 132,000.26, 182,146.86 and 81,015.12 is: 111,792.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,000.26 : 182,146.86 = 81,015.12 : x
  2. Step 2: Convert to fraction form
    132,000.26/182,146.86 = 81,015.12/x
  3. Step 3: Cross multiply
    132,000.26x = 182,146.86 × 81,015.12
  4. Step 4: Simplify right side
    132,000.26x = 14,756,649,720.52
  5. Step 5: Solve for x
    x = 14,756,649,720.52/132,000.26
  6. Step 6: Final answer
    x = 111,792.58

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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.