Home / 95,639.22-132,076.80-78,810.24

Finding the Fourth Proportional to 95,639.22, 132,076.80 and 78,810.24

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Solution

The fourth proportional to 95,639.22, 132,076.80 and 78,810.24 is: 108,836.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,639.22 : 132,076.80 = 78,810.24 : x
  2. Step 2: Convert to fraction form
    95,639.22/132,076.80 = 78,810.24/x
  3. Step 3: Cross multiply
    95,639.22x = 132,076.80 × 78,810.24
  4. Step 4: Simplify right side
    95,639.22x = 10,409,004,306.43
  5. Step 5: Solve for x
    x = 10,409,004,306.43/95,639.22
  6. Step 6: Final answer
    x = 108,836.15

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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.