Home / 201,619.83-278,233.15-110,973.84

Finding the Fourth Proportional to 201,619.83, 278,233.15 and 110,973.84

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Solution

The fourth proportional to 201,619.83, 278,233.15 and 110,973.84 is: 153,142.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,619.83 : 278,233.15 = 110,973.84 : x
  2. Step 2: Convert to fraction form
    201,619.83/278,233.15 = 110,973.84/x
  3. Step 3: Cross multiply
    201,619.83x = 278,233.15 × 110,973.84
  4. Step 4: Simplify right side
    201,619.83x = 30,876,601,070.80
  5. Step 5: Solve for x
    x = 30,876,601,070.80/201,619.83
  6. Step 6: Final answer
    x = 153,142.68

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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.