Home / 209,982.03-315,036.63-75,028.43

Finding the Fourth Proportional to 209,982.03, 315,036.63 and 75,028.43

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Solution

The fourth proportional to 209,982.03, 315,036.63 and 75,028.43 is: 112,565.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,982.03 : 315,036.63 = 75,028.43 : x
  2. Step 2: Convert to fraction form
    209,982.03/315,036.63 = 75,028.43/x
  3. Step 3: Cross multiply
    209,982.03x = 315,036.63 × 75,028.43
  4. Step 4: Simplify right side
    209,982.03x = 23,636,702,166.21
  5. Step 5: Solve for x
    x = 23,636,702,166.21/209,982.03
  6. Step 6: Final answer
    x = 112,565.36

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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.