Home / 103,524.20-155,132.42-53,537.60

Finding the Fourth Proportional to 103,524.20, 155,132.42 and 53,537.60

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Solution

The fourth proportional to 103,524.20, 155,132.42 and 53,537.60 is: 80,226.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,524.20 : 155,132.42 = 53,537.60 : x
  2. Step 2: Convert to fraction form
    103,524.20/155,132.42 = 53,537.60/x
  3. Step 3: Cross multiply
    103,524.20x = 155,132.42 × 53,537.60
  4. Step 4: Simplify right side
    103,524.20x = 8,305,417,448.99
  5. Step 5: Solve for x
    x = 8,305,417,448.99/103,524.20
  6. Step 6: Final answer
    x = 80,226.82

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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.