Home / 183,512.12-275,129.64-120,348.15

Finding the Fourth Proportional to 183,512.12, 275,129.64 and 120,348.15

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Solution

The fourth proportional to 183,512.12, 275,129.64 and 120,348.15 is: 180,431.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,512.12 : 275,129.64 = 120,348.15 : x
  2. Step 2: Convert to fraction form
    183,512.12/275,129.64 = 120,348.15/x
  3. Step 3: Cross multiply
    183,512.12x = 275,129.64 × 120,348.15
  4. Step 4: Simplify right side
    183,512.12x = 33,111,342,582.43
  5. Step 5: Solve for x
    x = 33,111,342,582.43/183,512.12
  6. Step 6: Final answer
    x = 180,431.37

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1.5x scale

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.