Home / 136,233.64-188,028.46-90,212.12

Finding the Fourth Proportional to 136,233.64, 188,028.46 and 90,212.12

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Solution

The fourth proportional to 136,233.64, 188,028.46 and 90,212.12 is: 124,509.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,233.64 : 188,028.46 = 90,212.12 : x
  2. Step 2: Convert to fraction form
    136,233.64/188,028.46 = 90,212.12/x
  3. Step 3: Cross multiply
    136,233.64x = 188,028.46 × 90,212.12
  4. Step 4: Simplify right side
    136,233.64x = 16,962,445,996.94
  5. Step 5: Solve for x
    x = 16,962,445,996.94/136,233.64
  6. Step 6: Final answer
    x = 124,509.97

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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.