Home / 120,775.36-181,122.08-45,877.44

Finding the Fourth Proportional to 120,775.36, 181,122.08 and 45,877.44

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Solution

The fourth proportional to 120,775.36, 181,122.08 and 45,877.44 is: 68,800.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,775.36 : 181,122.08 = 45,877.44 : x
  2. Step 2: Convert to fraction form
    120,775.36/181,122.08 = 45,877.44/x
  3. Step 3: Cross multiply
    120,775.36x = 181,122.08 × 45,877.44
  4. Step 4: Simplify right side
    120,775.36x = 8,309,417,357.88
  5. Step 5: Solve for x
    x = 8,309,417,357.88/120,775.36
  6. Step 6: Final answer
    x = 68,800.60

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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.