Home / 120,872.20-181,308.30-93,224.20

Finding the Fourth Proportional to 120,872.20, 181,308.30 and 93,224.20

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Solution

The fourth proportional to 120,872.20, 181,308.30 and 93,224.20 is: 139,836.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,872.20 : 181,308.30 = 93,224.20 : x
  2. Step 2: Convert to fraction form
    120,872.20/181,308.30 = 93,224.20/x
  3. Step 3: Cross multiply
    120,872.20x = 181,308.30 × 93,224.20
  4. Step 4: Simplify right side
    120,872.20x = 16,902,321,220.86
  5. Step 5: Solve for x
    x = 16,902,321,220.86/120,872.20
  6. Step 6: Final answer
    x = 139,836.30

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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.