Home / 118,069.41-177,137.06-51,515.49

Finding the Fourth Proportional to 118,069.41, 177,137.06 and 51,515.49

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Solution

The fourth proportional to 118,069.41, 177,137.06 and 51,515.49 is: 77,287.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,069.41 : 177,137.06 = 51,515.49 : x
  2. Step 2: Convert to fraction form
    118,069.41/177,137.06 = 51,515.49/x
  3. Step 3: Cross multiply
    118,069.41x = 177,137.06 × 51,515.49
  4. Step 4: Simplify right side
    118,069.41x = 9,125,302,185.48
  5. Step 5: Solve for x
    x = 9,125,302,185.48/118,069.41
  6. Step 6: Final answer
    x = 77,287.61

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1.5x scale

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.