Home / 121,441.07-180,940.61-114,650.44

Finding the Fourth Proportional to 121,441.07, 180,940.61 and 114,650.44

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Solution

The fourth proportional to 121,441.07, 180,940.61 and 114,650.44 is: 170,822.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,441.07 : 180,940.61 = 114,650.44 : x
  2. Step 2: Convert to fraction form
    121,441.07/180,940.61 = 114,650.44/x
  3. Step 3: Cross multiply
    121,441.07x = 180,940.61 × 114,650.44
  4. Step 4: Simplify right side
    121,441.07x = 20,744,920,062.19
  5. Step 5: Solve for x
    x = 20,744,920,062.19/121,441.07
  6. Step 6: Final answer
    x = 170,822.93

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.