Home / 156,768.80-235,193.72-68,002

Finding the Fourth Proportional to 156,768.80, 235,193.72 and 68,002

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Solution

The fourth proportional to 156,768.80, 235,193.72 and 68,002 is: 102,020.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,768.80 : 235,193.72 = 68,002 : x
  2. Step 2: Convert to fraction form
    156,768.80/235,193.72 = 68,002/x
  3. Step 3: Cross multiply
    156,768.80x = 235,193.72 × 68,002
  4. Step 4: Simplify right side
    156,768.80x = 15,993,643,347.44
  5. Step 5: Solve for x
    x = 15,993,643,347.44/156,768.80
  6. Step 6: Final answer
    x = 102,020.58

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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.