Home / 150,002.22-207,043.89-85,505.41

Finding the Fourth Proportional to 150,002.22, 207,043.89 and 85,505.41

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Solution

The fourth proportional to 150,002.22, 207,043.89 and 85,505.41 is: 118,020.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,002.22 : 207,043.89 = 85,505.41 : x
  2. Step 2: Convert to fraction form
    150,002.22/207,043.89 = 85,505.41/x
  3. Step 3: Cross multiply
    150,002.22x = 207,043.89 × 85,505.41
  4. Step 4: Simplify right side
    150,002.22x = 17,703,372,702.44
  5. Step 5: Solve for x
    x = 17,703,372,702.44/150,002.22
  6. Step 6: Final answer
    x = 118,020.74

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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.