Home / 75,467.28-113,199.74-19,306.90

Finding the Fourth Proportional to 75,467.28, 113,199.74 and 19,306.90

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Solution

The fourth proportional to 75,467.28, 113,199.74 and 19,306.90 is: 28,960.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,467.28 : 113,199.74 = 19,306.90 : x
  2. Step 2: Convert to fraction form
    75,467.28/113,199.74 = 19,306.90/x
  3. Step 3: Cross multiply
    75,467.28x = 113,199.74 × 19,306.90
  4. Step 4: Simplify right side
    75,467.28x = 2,185,536,177.57
  5. Step 5: Solve for x
    x = 2,185,536,177.57/75,467.28
  6. Step 6: Final answer
    x = 28,960.05

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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.