Home / 120,860.64-181,285.49-41,981.02

Finding the Fourth Proportional to 120,860.64, 181,285.49 and 41,981.02

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Solution

The fourth proportional to 120,860.64, 181,285.49 and 41,981.02 is: 62,969.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,860.64 : 181,285.49 = 41,981.02 : x
  2. Step 2: Convert to fraction form
    120,860.64/181,285.49 = 41,981.02/x
  3. Step 3: Cross multiply
    120,860.64x = 181,285.49 × 41,981.02
  4. Step 4: Simplify right side
    120,860.64x = 7,610,549,433.14
  5. Step 5: Solve for x
    x = 7,610,549,433.14/120,860.64
  6. Step 6: Final answer
    x = 62,969.63

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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.