Home / 236,218.02-325,977.72-128,787.86

Finding the Fourth Proportional to 236,218.02, 325,977.72 and 128,787.86

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Solution

The fourth proportional to 236,218.02, 325,977.72 and 128,787.86 is: 177,725.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,218.02 : 325,977.72 = 128,787.86 : x
  2. Step 2: Convert to fraction form
    236,218.02/325,977.72 = 128,787.86/x
  3. Step 3: Cross multiply
    236,218.02x = 325,977.72 × 128,787.86
  4. Step 4: Simplify right side
    236,218.02x = 41,981,971,336.59
  5. Step 5: Solve for x
    x = 41,981,971,336.59/236,218.02
  6. Step 6: Final answer
    x = 177,725.52

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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.