Home / 131,005.44-180,775.57-75,805.22

Finding the Fourth Proportional to 131,005.44, 180,775.57 and 75,805.22

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Solution

The fourth proportional to 131,005.44, 180,775.57 and 75,805.22 is: 104,604.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,005.44 : 180,775.57 = 75,805.22 : x
  2. Step 2: Convert to fraction form
    131,005.44/180,775.57 = 75,805.22/x
  3. Step 3: Cross multiply
    131,005.44x = 180,775.57 × 75,805.22
  4. Step 4: Simplify right side
    131,005.44x = 13,703,731,639.43
  5. Step 5: Solve for x
    x = 13,703,731,639.43/131,005.44
  6. Step 6: Final answer
    x = 104,604.30

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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.