Home / 185,790.26-278,614.06-79,106.58

Finding the Fourth Proportional to 185,790.26, 278,614.06 and 79,106.58

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Solution

The fourth proportional to 185,790.26, 278,614.06 and 79,106.58 is: 118,629.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,790.26 : 278,614.06 = 79,106.58 : x
  2. Step 2: Convert to fraction form
    185,790.26/278,614.06 = 79,106.58/x
  3. Step 3: Cross multiply
    185,790.26x = 278,614.06 × 79,106.58
  4. Step 4: Simplify right side
    185,790.26x = 22,040,205,426.51
  5. Step 5: Solve for x
    x = 22,040,205,426.51/185,790.26
  6. Step 6: Final answer
    x = 118,629.50

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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.