Home / 142,393.40-213,558.42-41,169.35

Finding the Fourth Proportional to 142,393.40, 213,558.42 and 41,169.35

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Solution

The fourth proportional to 142,393.40, 213,558.42 and 41,169.35 is: 61,744.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,393.40 : 213,558.42 = 41,169.35 : x
  2. Step 2: Convert to fraction form
    142,393.40/213,558.42 = 41,169.35/x
  3. Step 3: Cross multiply
    142,393.40x = 213,558.42 × 41,169.35
  4. Step 4: Simplify right side
    142,393.40x = 8,792,061,338.43
  5. Step 5: Solve for x
    x = 8,792,061,338.43/142,393.40
  6. Step 6: Final answer
    x = 61,744.87

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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.