Home / 120,858.42-181,225.38-54,241.44

Finding the Fourth Proportional to 120,858.42, 181,225.38 and 54,241.44

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Solution

The fourth proportional to 120,858.42, 181,225.38 and 54,241.44 is: 81,334.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,858.42 : 181,225.38 = 54,241.44 : x
  2. Step 2: Convert to fraction form
    120,858.42/181,225.38 = 54,241.44/x
  3. Step 3: Cross multiply
    120,858.42x = 181,225.38 × 54,241.44
  4. Step 4: Simplify right side
    120,858.42x = 9,829,925,575.75
  5. Step 5: Solve for x
    x = 9,829,925,575.75/120,858.42
  6. Step 6: Final answer
    x = 81,334.22

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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.