Home / 137,435.87-206,009.93-57,519.63

Finding the Fourth Proportional to 137,435.87, 206,009.93 and 57,519.63

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Solution

The fourth proportional to 137,435.87, 206,009.93 and 57,519.63 is: 86,219.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,435.87 : 206,009.93 = 57,519.63 : x
  2. Step 2: Convert to fraction form
    137,435.87/206,009.93 = 57,519.63/x
  3. Step 3: Cross multiply
    137,435.87x = 206,009.93 × 57,519.63
  4. Step 4: Simplify right side
    137,435.87x = 11,849,615,093.73
  5. Step 5: Solve for x
    x = 11,849,615,093.73/137,435.87
  6. Step 6: Final answer
    x = 86,219.23

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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.