Home / 104,262.16-156,393.21-90,180.33

Finding the Fourth Proportional to 104,262.16, 156,393.21 and 90,180.33

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Solution

The fourth proportional to 104,262.16, 156,393.21 and 90,180.33 is: 135,270.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,262.16 : 156,393.21 = 90,180.33 : x
  2. Step 2: Convert to fraction form
    104,262.16/156,393.21 = 90,180.33/x
  3. Step 3: Cross multiply
    104,262.16x = 156,393.21 × 90,180.33
  4. Step 4: Simplify right side
    104,262.16x = 14,103,591,287.56
  5. Step 5: Solve for x
    x = 14,103,591,287.56/104,262.16
  6. Step 6: Final answer
    x = 135,270.47

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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.