Home / 120,962.20-181,443.30-47,090.20

Finding the Fourth Proportional to 120,962.20, 181,443.30 and 47,090.20

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Solution

The fourth proportional to 120,962.20, 181,443.30 and 47,090.20 is: 70,635.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,962.20 : 181,443.30 = 47,090.20 : x
  2. Step 2: Convert to fraction form
    120,962.20/181,443.30 = 47,090.20/x
  3. Step 3: Cross multiply
    120,962.20x = 181,443.30 × 47,090.20
  4. Step 4: Simplify right side
    120,962.20x = 8,544,201,285.66
  5. Step 5: Solve for x
    x = 8,544,201,285.66/120,962.20
  6. Step 6: Final answer
    x = 70,635.30

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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.