Home / 120,845.48-181,268.30-45,948.31

Finding the Fourth Proportional to 120,845.48, 181,268.30 and 45,948.31

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Solution

The fourth proportional to 120,845.48, 181,268.30 and 45,948.31 is: 68,922.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,845.48 : 181,268.30 = 45,948.31 : x
  2. Step 2: Convert to fraction form
    120,845.48/181,268.30 = 45,948.31/x
  3. Step 3: Cross multiply
    120,845.48x = 181,268.30 × 45,948.31
  4. Step 4: Simplify right side
    120,845.48x = 8,328,970,905.49
  5. Step 5: Solve for x
    x = 8,328,970,905.49/120,845.48
  6. Step 6: Final answer
    x = 68,922.49

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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.