Home / 127,268.88-175,513.68-86,493.84

Finding the Fourth Proportional to 127,268.88, 175,513.68 and 86,493.84

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Solution

The fourth proportional to 127,268.88, 175,513.68 and 86,493.84 is: 119,281.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,268.88 : 175,513.68 = 86,493.84 : x
  2. Step 2: Convert to fraction form
    127,268.88/175,513.68 = 86,493.84/x
  3. Step 3: Cross multiply
    127,268.88x = 175,513.68 × 86,493.84
  4. Step 4: Simplify right side
    127,268.88x = 15,180,852,155.73
  5. Step 5: Solve for x
    x = 15,180,852,155.73/127,268.88
  6. Step 6: Final answer
    x = 119,281.73

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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.