Home / 131,701.31-181,680.82-80,004.67

Finding the Fourth Proportional to 131,701.31, 181,680.82 and 80,004.67

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Solution

The fourth proportional to 131,701.31, 181,680.82 and 80,004.67 is: 110,365.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,701.31 : 181,680.82 = 80,004.67 : x
  2. Step 2: Convert to fraction form
    131,701.31/181,680.82 = 80,004.67/x
  3. Step 3: Cross multiply
    131,701.31x = 181,680.82 × 80,004.67
  4. Step 4: Simplify right side
    131,701.31x = 14,535,313,395.22
  5. Step 5: Solve for x
    x = 14,535,313,395.22/131,701.31
  6. Step 6: Final answer
    x = 110,365.75

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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.