Home / 201,466.30-278,017.93-109,582.54

Finding the Fourth Proportional to 201,466.30, 278,017.93 and 109,582.54

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Solution

The fourth proportional to 201,466.30, 278,017.93 and 109,582.54 is: 151,220.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,466.30 : 278,017.93 = 109,582.54 : x
  2. Step 2: Convert to fraction form
    201,466.30/278,017.93 = 109,582.54/x
  3. Step 3: Cross multiply
    201,466.30x = 278,017.93 × 109,582.54
  4. Step 4: Simplify right side
    201,466.30x = 30,465,910,934.94
  5. Step 5: Solve for x
    x = 30,465,910,934.94/201,466.30
  6. Step 6: Final answer
    x = 151,220.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.