Home / 150,311.08-207,568.74-112,519.72

Finding the Fourth Proportional to 150,311.08, 207,568.74 and 112,519.72

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Solution

The fourth proportional to 150,311.08, 207,568.74 and 112,519.72 is: 155,381.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,311.08 : 207,568.74 = 112,519.72 : x
  2. Step 2: Convert to fraction form
    150,311.08/207,568.74 = 112,519.72/x
  3. Step 3: Cross multiply
    150,311.08x = 207,568.74 × 112,519.72
  4. Step 4: Simplify right side
    150,311.08x = 23,355,576,505.55
  5. Step 5: Solve for x
    x = 23,355,576,505.55/150,311.08
  6. Step 6: Final answer
    x = 155,381.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.