Home / 201,726.30-278,371.23-111,065.04

Finding the Fourth Proportional to 201,726.30, 278,371.23 and 111,065.04

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Solution

The fourth proportional to 201,726.30, 278,371.23 and 111,065.04 is: 153,263.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,726.30 : 278,371.23 = 111,065.04 : x
  2. Step 2: Convert to fraction form
    201,726.30/278,371.23 = 111,065.04/x
  3. Step 3: Cross multiply
    201,726.30x = 278,371.23 × 111,065.04
  4. Step 4: Simplify right side
    201,726.30x = 30,917,311,794.80
  5. Step 5: Solve for x
    x = 30,917,311,794.80/201,726.30
  6. Step 6: Final answer
    x = 153,263.66

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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.