Home / 252,194.12-378,381.54-108,039.48

Finding the Fourth Proportional to 252,194.12, 378,381.54 and 108,039.48

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Solution

The fourth proportional to 252,194.12, 378,381.54 and 108,039.48 is: 162,097.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,194.12 : 378,381.54 = 108,039.48 : x
  2. Step 2: Convert to fraction form
    252,194.12/378,381.54 = 108,039.48/x
  3. Step 3: Cross multiply
    252,194.12x = 378,381.54 × 108,039.48
  4. Step 4: Simplify right side
    252,194.12x = 40,880,144,823.20
  5. Step 5: Solve for x
    x = 40,880,144,823.20/252,194.12
  6. Step 6: Final answer
    x = 162,097.93

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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.