Home / 120,561.78-180,643.41-41,632.14

Finding the Fourth Proportional to 120,561.78, 180,643.41 and 41,632.14

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Solution

The fourth proportional to 120,561.78, 180,643.41 and 41,632.14 is: 62,379.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,561.78 : 180,643.41 = 41,632.14 : x
  2. Step 2: Convert to fraction form
    120,561.78/180,643.41 = 41,632.14/x
  3. Step 3: Cross multiply
    120,561.78x = 180,643.41 × 41,632.14
  4. Step 4: Simplify right side
    120,561.78x = 7,520,571,735.20
  5. Step 5: Solve for x
    x = 7,520,571,735.20/120,561.78
  6. Step 6: Final answer
    x = 62,379.40

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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.