Home / 131,429.93-180,991.26-114,194.34

Finding the Fourth Proportional to 131,429.93, 180,991.26 and 114,194.34

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Solution

The fourth proportional to 131,429.93, 180,991.26 and 114,194.34 is: 157,256.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,429.93 : 180,991.26 = 114,194.34 : x
  2. Step 2: Convert to fraction form
    131,429.93/180,991.26 = 114,194.34/x
  3. Step 3: Cross multiply
    131,429.93x = 180,991.26 × 114,194.34
  4. Step 4: Simplify right side
    131,429.93x = 20,668,177,481.47
  5. Step 5: Solve for x
    x = 20,668,177,481.47/131,429.93
  6. Step 6: Final answer
    x = 157,256.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.