Home / 146,312.80-219,542.10-83,181.40

Finding the Fourth Proportional to 146,312.80, 219,542.10 and 83,181.40

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Solution

The fourth proportional to 146,312.80, 219,542.10 and 83,181.40 is: 124,813.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,312.80 : 219,542.10 = 83,181.40 : x
  2. Step 2: Convert to fraction form
    146,312.80/219,542.10 = 83,181.40/x
  3. Step 3: Cross multiply
    146,312.80x = 219,542.10 × 83,181.40
  4. Step 4: Simplify right side
    146,312.80x = 18,261,819,236.94
  5. Step 5: Solve for x
    x = 18,261,819,236.94/146,312.80
  6. Step 6: Final answer
    x = 124,813.54

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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.