Home / 131,010.20-180,611.01-110,785.94

Finding the Fourth Proportional to 131,010.20, 180,611.01 and 110,785.94

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Solution

The fourth proportional to 131,010.20, 180,611.01 and 110,785.94 is: 152,729.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,010.20 : 180,611.01 = 110,785.94 : x
  2. Step 2: Convert to fraction form
    131,010.20/180,611.01 = 110,785.94/x
  3. Step 3: Cross multiply
    131,010.20x = 180,611.01 × 110,785.94
  4. Step 4: Simplify right side
    131,010.20x = 20,009,160,517.20
  5. Step 5: Solve for x
    x = 20,009,160,517.20/131,010.20
  6. Step 6: Final answer
    x = 152,729.79

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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.