Home / 201,517.16-278,093.67-110,871.20

Finding the Fourth Proportional to 201,517.16, 278,093.67 and 110,871.20

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Solution

The fourth proportional to 201,517.16, 278,093.67 and 110,871.20 is: 153,002.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,517.16 : 278,093.67 = 110,871.20 : x
  2. Step 2: Convert to fraction form
    201,517.16/278,093.67 = 110,871.20/x
  3. Step 3: Cross multiply
    201,517.16x = 278,093.67 × 110,871.20
  4. Step 4: Simplify right side
    201,517.16x = 30,832,578,905.30
  5. Step 5: Solve for x
    x = 30,832,578,905.30/201,517.16
  6. Step 6: Final answer
    x = 153,002.25

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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.