Home / 134,112.89-200,903.66-91,889.21

Finding the Fourth Proportional to 134,112.89, 200,903.66 and 91,889.21

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Solution

The fourth proportional to 134,112.89, 200,903.66 and 91,889.21 is: 137,651.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,112.89 : 200,903.66 = 91,889.21 : x
  2. Step 2: Convert to fraction form
    134,112.89/200,903.66 = 91,889.21/x
  3. Step 3: Cross multiply
    134,112.89x = 200,903.66 × 91,889.21
  4. Step 4: Simplify right side
    134,112.89x = 18,460,878,990.91
  5. Step 5: Solve for x
    x = 18,460,878,990.91/134,112.89
  6. Step 6: Final answer
    x = 137,651.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.