Home / 120,261.10-180,235.51-49,100.44

Finding the Fourth Proportional to 120,261.10, 180,235.51 and 49,100.44

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Solution

The fourth proportional to 120,261.10, 180,235.51 and 49,100.44 is: 73,586.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,261.10 : 180,235.51 = 49,100.44 : x
  2. Step 2: Convert to fraction form
    120,261.10/180,235.51 = 49,100.44/x
  3. Step 3: Cross multiply
    120,261.10x = 180,235.51 × 49,100.44
  4. Step 4: Simplify right side
    120,261.10x = 8,849,642,844.62
  5. Step 5: Solve for x
    x = 8,849,642,844.62/120,261.10
  6. Step 6: Final answer
    x = 73,586.91

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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.