Home / 136,422.09-188,255.13-75,166.23

Finding the Fourth Proportional to 136,422.09, 188,255.13 and 75,166.23

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Solution

The fourth proportional to 136,422.09, 188,255.13 and 75,166.23 is: 103,725.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,422.09 : 188,255.13 = 75,166.23 : x
  2. Step 2: Convert to fraction form
    136,422.09/188,255.13 = 75,166.23/x
  3. Step 3: Cross multiply
    136,422.09x = 188,255.13 × 75,166.23
  4. Step 4: Simplify right side
    136,422.09x = 14,150,428,400.26
  5. Step 5: Solve for x
    x = 14,150,428,400.26/136,422.09
  6. Step 6: Final answer
    x = 103,725.35

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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.