Home / 143,092.35-214,569.41-83,947.23

Finding the Fourth Proportional to 143,092.35, 214,569.41 and 83,947.23

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Solution

The fourth proportional to 143,092.35, 214,569.41 and 83,947.23 is: 125,880.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,092.35 : 214,569.41 = 83,947.23 : x
  2. Step 2: Convert to fraction form
    143,092.35/214,569.41 = 83,947.23/x
  3. Step 3: Cross multiply
    143,092.35x = 214,569.41 × 83,947.23
  4. Step 4: Simplify right side
    143,092.35x = 18,012,507,192.50
  5. Step 5: Solve for x
    x = 18,012,507,192.50/143,092.35
  6. Step 6: Final answer
    x = 125,880.29

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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.