Home / 131,157.82-180,975.22-73,789.17

Finding the Fourth Proportional to 131,157.82, 180,975.22 and 73,789.17

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Solution

The fourth proportional to 131,157.82, 180,975.22 and 73,789.17 is: 101,816.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,157.82 : 180,975.22 = 73,789.17 : x
  2. Step 2: Convert to fraction form
    131,157.82/180,975.22 = 73,789.17/x
  3. Step 3: Cross multiply
    131,157.82x = 180,975.22 × 73,789.17
  4. Step 4: Simplify right side
    131,157.82x = 13,354,011,274.37
  5. Step 5: Solve for x
    x = 13,354,011,274.37/131,157.82
  6. Step 6: Final answer
    x = 101,816.36

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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.