Home / 103,405.46-155,152.36-50,136.82

Finding the Fourth Proportional to 103,405.46, 155,152.36 and 50,136.82

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Solution

The fourth proportional to 103,405.46, 155,152.36 and 50,136.82 is: 75,226.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,405.46 : 155,152.36 = 50,136.82 : x
  2. Step 2: Convert to fraction form
    103,405.46/155,152.36 = 50,136.82/x
  3. Step 3: Cross multiply
    103,405.46x = 155,152.36 × 50,136.82
  4. Step 4: Simplify right side
    103,405.46x = 7,778,846,493.42
  5. Step 5: Solve for x
    x = 7,778,846,493.42/103,405.46
  6. Step 6: Final answer
    x = 75,226.65

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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.