Home / 252,386.63-378,498.04-83,861.72

Finding the Fourth Proportional to 252,386.63, 378,498.04 and 83,861.72

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Solution

The fourth proportional to 252,386.63, 378,498.04 and 83,861.72 is: 125,765.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,386.63 : 378,498.04 = 83,861.72 : x
  2. Step 2: Convert to fraction form
    252,386.63/378,498.04 = 83,861.72/x
  3. Step 3: Cross multiply
    252,386.63x = 378,498.04 × 83,861.72
  4. Step 4: Simplify right side
    252,386.63x = 31,741,494,548.88
  5. Step 5: Solve for x
    x = 31,741,494,548.88/252,386.63
  6. Step 6: Final answer
    x = 125,765.36

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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.