Home / 118,279.37-177,237.38-80,279.27

Finding the Fourth Proportional to 118,279.37, 177,237.38 and 80,279.27

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Solution

The fourth proportional to 118,279.37, 177,237.38 and 80,279.27 is: 120,295.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,279.37 : 177,237.38 = 80,279.27 : x
  2. Step 2: Convert to fraction form
    118,279.37/177,237.38 = 80,279.27/x
  3. Step 3: Cross multiply
    118,279.37x = 177,237.38 × 80,279.27
  4. Step 4: Simplify right side
    118,279.37x = 14,228,487,462.26
  5. Step 5: Solve for x
    x = 14,228,487,462.26/118,279.37
  6. Step 6: Final answer
    x = 120,295.59

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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.