Home / 143,762.45-215,541.61-54,941.09

Finding the Fourth Proportional to 143,762.45, 215,541.61 and 54,941.09

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Solution

The fourth proportional to 143,762.45, 215,541.61 and 54,941.09 is: 82,372.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,762.45 : 215,541.61 = 54,941.09 : x
  2. Step 2: Convert to fraction form
    143,762.45/215,541.61 = 54,941.09/x
  3. Step 3: Cross multiply
    143,762.45x = 215,541.61 × 54,941.09
  4. Step 4: Simplify right side
    143,762.45x = 11,842,089,778.69
  5. Step 5: Solve for x
    x = 11,842,089,778.69/143,762.45
  6. Step 6: Final answer
    x = 82,372.62

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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.