Home / 136,578.06-188,470.53-75,334.23

Finding the Fourth Proportional to 136,578.06, 188,470.53 and 75,334.23

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Solution

The fourth proportional to 136,578.06, 188,470.53 and 75,334.23 is: 103,957.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,578.06 : 188,470.53 = 75,334.23 : x
  2. Step 2: Convert to fraction form
    136,578.06/188,470.53 = 75,334.23/x
  3. Step 3: Cross multiply
    136,578.06x = 188,470.53 × 75,334.23
  4. Step 4: Simplify right side
    136,578.06x = 14,198,282,255.24
  5. Step 5: Solve for x
    x = 14,198,282,255.24/136,578.06
  6. Step 6: Final answer
    x = 103,957.27

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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.