Home / 67,152.04-100,745.32-19,768.62

Finding the Fourth Proportional to 67,152.04, 100,745.32 and 19,768.62

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Solution

The fourth proportional to 67,152.04, 100,745.32 and 19,768.62 is: 29,658.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,152.04 : 100,745.32 = 19,768.62 : x
  2. Step 2: Convert to fraction form
    67,152.04/100,745.32 = 19,768.62/x
  3. Step 3: Cross multiply
    67,152.04x = 100,745.32 × 19,768.62
  4. Step 4: Simplify right side
    67,152.04x = 1,991,596,313.30
  5. Step 5: Solve for x
    x = 1,991,596,313.30/67,152.04
  6. Step 6: Final answer
    x = 29,658.02

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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.