Home / 200,819.32-301,024.86-125,991.52

Finding the Fourth Proportional to 200,819.32, 301,024.86 and 125,991.52

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Solution

The fourth proportional to 200,819.32, 301,024.86 and 125,991.52 is: 188,859.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,819.32 : 301,024.86 = 125,991.52 : x
  2. Step 2: Convert to fraction form
    200,819.32/301,024.86 = 125,991.52/x
  3. Step 3: Cross multiply
    200,819.32x = 301,024.86 × 125,991.52
  4. Step 4: Simplify right side
    200,819.32x = 37,926,579,669.19
  5. Step 5: Solve for x
    x = 37,926,579,669.19/200,819.32
  6. Step 6: Final answer
    x = 188,859.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.