Home / 136,277.46-188,049.87-100,486.86

Finding the Fourth Proportional to 136,277.46, 188,049.87 and 100,486.86

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Solution

The fourth proportional to 136,277.46, 188,049.87 and 100,486.86 is: 138,662.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,277.46 : 188,049.87 = 100,486.86 : x
  2. Step 2: Convert to fraction form
    136,277.46/188,049.87 = 100,486.86/x
  3. Step 3: Cross multiply
    136,277.46x = 188,049.87 × 100,486.86
  4. Step 4: Simplify right side
    136,277.46x = 18,896,540,959.71
  5. Step 5: Solve for x
    x = 18,896,540,959.71/136,277.46
  6. Step 6: Final answer
    x = 138,662.26

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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.