Home / 149,371.56-206,142.93-91,253.16

Finding the Fourth Proportional to 149,371.56, 206,142.93 and 91,253.16

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Solution

The fourth proportional to 149,371.56, 206,142.93 and 91,253.16 is: 125,935.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,371.56 : 206,142.93 = 91,253.16 : x
  2. Step 2: Convert to fraction form
    149,371.56/206,142.93 = 91,253.16/x
  3. Step 3: Cross multiply
    149,371.56x = 206,142.93 × 91,253.16
  4. Step 4: Simplify right side
    149,371.56x = 18,811,193,774.16
  5. Step 5: Solve for x
    x = 18,811,193,774.16/149,371.56
  6. Step 6: Final answer
    x = 125,935.58

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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.