Home / 149,683.33-206,563.01-102,019.95

Finding the Fourth Proportional to 149,683.33, 206,563.01 and 102,019.95

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Solution

The fourth proportional to 149,683.33, 206,563.01 and 102,019.95 is: 140,787.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,683.33 : 206,563.01 = 102,019.95 : x
  2. Step 2: Convert to fraction form
    149,683.33/206,563.01 = 102,019.95/x
  3. Step 3: Cross multiply
    149,683.33x = 206,563.01 × 102,019.95
  4. Step 4: Simplify right side
    149,683.33x = 21,073,547,952.05
  5. Step 5: Solve for x
    x = 21,073,547,952.05/149,683.33
  6. Step 6: Final answer
    x = 140,787.54

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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.