Home / 127,332.09-175,728.75-82,104.23

Finding the Fourth Proportional to 127,332.09, 175,728.75 and 82,104.23

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Solution

The fourth proportional to 127,332.09, 175,728.75 and 82,104.23 is: 113,310.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,332.09 : 175,728.75 = 82,104.23 : x
  2. Step 2: Convert to fraction form
    127,332.09/175,728.75 = 82,104.23/x
  3. Step 3: Cross multiply
    127,332.09x = 175,728.75 × 82,104.23
  4. Step 4: Simplify right side
    127,332.09x = 14,428,073,297.09
  5. Step 5: Solve for x
    x = 14,428,073,297.09/127,332.09
  6. Step 6: Final answer
    x = 113,310.58

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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.