Home / 131,396.87-197,092.53-42,650.23

Finding the Fourth Proportional to 131,396.87, 197,092.53 and 42,650.23

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Solution

The fourth proportional to 131,396.87, 197,092.53 and 42,650.23 is: 63,974.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,396.87 : 197,092.53 = 42,650.23 : x
  2. Step 2: Convert to fraction form
    131,396.87/197,092.53 = 42,650.23/x
  3. Step 3: Cross multiply
    131,396.87x = 197,092.53 × 42,650.23
  4. Step 4: Simplify right side
    131,396.87x = 8,406,041,735.78
  5. Step 5: Solve for x
    x = 8,406,041,735.78/131,396.87
  6. Step 6: Final answer
    x = 63,974.44

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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.