Home / 155,027.41-213,790.85-101,358.43

Finding the Fourth Proportional to 155,027.41, 213,790.85 and 101,358.43

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Solution

The fourth proportional to 155,027.41, 213,790.85 and 101,358.43 is: 139,778.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,027.41 : 213,790.85 = 101,358.43 : x
  2. Step 2: Convert to fraction form
    155,027.41/213,790.85 = 101,358.43/x
  3. Step 3: Cross multiply
    155,027.41x = 213,790.85 × 101,358.43
  4. Step 4: Simplify right side
    155,027.41x = 21,669,504,088.81
  5. Step 5: Solve for x
    x = 21,669,504,088.81/155,027.41
  6. Step 6: Final answer
    x = 139,778.54

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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.