Home / 118,634.43-177,970.20-38,653.83

Finding the Fourth Proportional to 118,634.43, 177,970.20 and 38,653.83

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Solution

The fourth proportional to 118,634.43, 177,970.20 and 38,653.83 is: 57,986.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,634.43 : 177,970.20 = 38,653.83 : x
  2. Step 2: Convert to fraction form
    118,634.43/177,970.20 = 38,653.83/x
  3. Step 3: Cross multiply
    118,634.43x = 177,970.20 × 38,653.83
  4. Step 4: Simplify right side
    118,634.43x = 6,879,230,374.53
  5. Step 5: Solve for x
    x = 6,879,230,374.53/118,634.43
  6. Step 6: Final answer
    x = 57,986.80

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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.