Home / 131,010.45-180,611.36-110,786.19

Finding the Fourth Proportional to 131,010.45, 180,611.36 and 110,786.19

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Solution

The fourth proportional to 131,010.45, 180,611.36 and 110,786.19 is: 152,730.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,010.45 : 180,611.36 = 110,786.19 : x
  2. Step 2: Convert to fraction form
    131,010.45/180,611.36 = 110,786.19/x
  3. Step 3: Cross multiply
    131,010.45x = 180,611.36 × 110,786.19
  4. Step 4: Simplify right side
    131,010.45x = 20,009,243,891.19
  5. Step 5: Solve for x
    x = 20,009,243,891.19/131,010.45
  6. Step 6: Final answer
    x = 152,730.14

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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.