Home / 96,324.96-132,981.84-66,128.16

Finding the Fourth Proportional to 96,324.96, 132,981.84 and 66,128.16

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Solution

The fourth proportional to 96,324.96, 132,981.84 and 66,128.16 is: 91,293.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,324.96 : 132,981.84 = 66,128.16 : x
  2. Step 2: Convert to fraction form
    96,324.96/132,981.84 = 66,128.16/x
  3. Step 3: Cross multiply
    96,324.96x = 132,981.84 × 66,128.16
  4. Step 4: Simplify right side
    96,324.96x = 8,793,844,392.61
  5. Step 5: Solve for x
    x = 8,793,844,392.61/96,324.96
  6. Step 6: Final answer
    x = 91,293.52

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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.