Home / 137,837.58-206,837.62-57,889.58

Finding the Fourth Proportional to 137,837.58, 206,837.62 and 57,889.58

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Solution

The fourth proportional to 137,837.58, 206,837.62 and 57,889.58 is: 86,868.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,837.58 : 206,837.62 = 57,889.58 : x
  2. Step 2: Convert to fraction form
    137,837.58/206,837.62 = 57,889.58/x
  3. Step 3: Cross multiply
    137,837.58x = 206,837.62 × 57,889.58
  4. Step 4: Simplify right side
    137,837.58x = 11,973,741,771.09
  5. Step 5: Solve for x
    x = 11,973,741,771.09/137,837.58
  6. Step 6: Final answer
    x = 86,868.49

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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.