Home / 201,945.42-278,680.92-110,065.50

Finding the Fourth Proportional to 201,945.42, 278,680.92 and 110,065.50

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Solution

The fourth proportional to 201,945.42, 278,680.92 and 110,065.50 is: 151,888.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,945.42 : 278,680.92 = 110,065.50 : x
  2. Step 2: Convert to fraction form
    201,945.42/278,680.92 = 110,065.50/x
  3. Step 3: Cross multiply
    201,945.42x = 278,680.92 × 110,065.50
  4. Step 4: Simplify right side
    201,945.42x = 30,673,154,800.26
  5. Step 5: Solve for x
    x = 30,673,154,800.26/201,945.42
  6. Step 6: Final answer
    x = 151,888.34

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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.