Home / 206,187.58-309,329.79-64,025.51

Finding the Fourth Proportional to 206,187.58, 309,329.79 and 64,025.51

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Solution

The fourth proportional to 206,187.58, 309,329.79 and 64,025.51 is: 96,053.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,187.58 : 309,329.79 = 64,025.51 : x
  2. Step 2: Convert to fraction form
    206,187.58/309,329.79 = 64,025.51/x
  3. Step 3: Cross multiply
    206,187.58x = 309,329.79 × 64,025.51
  4. Step 4: Simplify right side
    206,187.58x = 19,804,998,386.17
  5. Step 5: Solve for x
    x = 19,804,998,386.17/206,187.58
  6. Step 6: Final answer
    x = 96,053.31

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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.