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Finding the Fourth Proportional to 100,431.88, 150,336.76 and 58,959.88

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Solution

The fourth proportional to 100,431.88, 150,336.76 and 58,959.88 is: 88,257.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,431.88 : 150,336.76 = 58,959.88 : x
  2. Step 2: Convert to fraction form
    100,431.88/150,336.76 = 58,959.88/x
  3. Step 3: Cross multiply
    100,431.88x = 150,336.76 × 58,959.88
  4. Step 4: Simplify right side
    100,431.88x = 8,863,837,329.19
  5. Step 5: Solve for x
    x = 8,863,837,329.19/100,431.88
  6. Step 6: Final answer
    x = 88,257.21

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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.