Home / 201,618.28-278,231.01-110,972.29

Finding the Fourth Proportional to 201,618.28, 278,231.01 and 110,972.29

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Solution

The fourth proportional to 201,618.28, 278,231.01 and 110,972.29 is: 153,140.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,618.28 : 278,231.01 = 110,972.29 : x
  2. Step 2: Convert to fraction form
    201,618.28/278,231.01 = 110,972.29/x
  3. Step 3: Cross multiply
    201,618.28x = 278,231.01 × 110,972.29
  4. Step 4: Simplify right side
    201,618.28x = 30,875,932,328.71
  5. Step 5: Solve for x
    x = 30,875,932,328.71/201,618.28
  6. Step 6: Final answer
    x = 153,140.54

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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.