Home / 103,793.03-143,233.73-58,485.60

Finding the Fourth Proportional to 103,793.03, 143,233.73 and 58,485.60

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Solution

The fourth proportional to 103,793.03, 143,233.73 and 58,485.60 is: 80,709.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,793.03 : 143,233.73 = 58,485.60 : x
  2. Step 2: Convert to fraction form
    103,793.03/143,233.73 = 58,485.60/x
  3. Step 3: Cross multiply
    103,793.03x = 143,233.73 × 58,485.60
  4. Step 4: Simplify right side
    103,793.03x = 8,377,110,346.86
  5. Step 5: Solve for x
    x = 8,377,110,346.86/103,793.03
  6. Step 6: Final answer
    x = 80,709.76

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1.5x scale

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.