Home / 149,349.71-206,096.64-81,367.22

Finding the Fourth Proportional to 149,349.71, 206,096.64 and 81,367.22

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Solution

The fourth proportional to 149,349.71, 206,096.64 and 81,367.22 is: 112,283.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,349.71 : 206,096.64 = 81,367.22 : x
  2. Step 2: Convert to fraction form
    149,349.71/206,096.64 = 81,367.22/x
  3. Step 3: Cross multiply
    149,349.71x = 206,096.64 × 81,367.22
  4. Step 4: Simplify right side
    149,349.71x = 16,769,509,617.66
  5. Step 5: Solve for x
    x = 16,769,509,617.66/149,349.71
  6. Step 6: Final answer
    x = 112,283.51

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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.