Home / 252,321.17-378,145.49-119,236.74

Finding the Fourth Proportional to 252,321.17, 378,145.49 and 119,236.74

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Solution

The fourth proportional to 252,321.17, 378,145.49 and 119,236.74 is: 178,696.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,321.17 : 378,145.49 = 119,236.74 : x
  2. Step 2: Convert to fraction form
    252,321.17/378,145.49 = 119,236.74/x
  3. Step 3: Cross multiply
    252,321.17x = 378,145.49 × 119,236.74
  4. Step 4: Simplify right side
    252,321.17x = 45,088,834,877.12
  5. Step 5: Solve for x
    x = 45,088,834,877.12/252,321.17
  6. Step 6: Final answer
    x = 178,696.21

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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.