Home / 252,152.20-378,273.02-83,682.60

Finding the Fourth Proportional to 252,152.20, 378,273.02 and 83,682.60

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Solution

The fourth proportional to 252,152.20, 378,273.02 and 83,682.60 is: 125,538.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,152.20 : 378,273.02 = 83,682.60 : x
  2. Step 2: Convert to fraction form
    252,152.20/378,273.02 = 83,682.60/x
  3. Step 3: Cross multiply
    252,152.20x = 378,273.02 × 83,682.60
  4. Step 4: Simplify right side
    252,152.20x = 31,654,869,823.45
  5. Step 5: Solve for x
    x = 31,654,869,823.45/252,152.20
  6. Step 6: Final answer
    x = 125,538.74

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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.