Home / 143,647.85-215,463.58-54,910.33

Finding the Fourth Proportional to 143,647.85, 215,463.58 and 54,910.33

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Solution

The fourth proportional to 143,647.85, 215,463.58 and 54,910.33 is: 82,362.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,647.85 : 215,463.58 = 54,910.33 : x
  2. Step 2: Convert to fraction form
    143,647.85/215,463.58 = 54,910.33/x
  3. Step 3: Cross multiply
    143,647.85x = 215,463.58 × 54,910.33
  4. Step 4: Simplify right side
    143,647.85x = 11,831,176,280.78
  5. Step 5: Solve for x
    x = 11,831,176,280.78/143,647.85
  6. Step 6: Final answer
    x = 82,362.36

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1.5x scale

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.