Home / 149,926.90-206,898.63-81,943.87

Finding the Fourth Proportional to 149,926.90, 206,898.63 and 81,943.87

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Solution

The fourth proportional to 149,926.90, 206,898.63 and 81,943.87 is: 113,082.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,926.90 : 206,898.63 = 81,943.87 : x
  2. Step 2: Convert to fraction form
    149,926.90/206,898.63 = 81,943.87/x
  3. Step 3: Cross multiply
    149,926.90x = 206,898.63 × 81,943.87
  4. Step 4: Simplify right side
    149,926.90x = 16,954,074,439.90
  5. Step 5: Solve for x
    x = 16,954,074,439.90/149,926.90
  6. Step 6: Final answer
    x = 113,082.27

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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.