Home / 140,131.74-210,309.72-73,611.12

Finding the Fourth Proportional to 140,131.74, 210,309.72 and 73,611.12

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Solution

The fourth proportional to 140,131.74, 210,309.72 and 73,611.12 is: 110,475.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,131.74 : 210,309.72 = 73,611.12 : x
  2. Step 2: Convert to fraction form
    140,131.74/210,309.72 = 73,611.12/x
  3. Step 3: Cross multiply
    140,131.74x = 210,309.72 × 73,611.12
  4. Step 4: Simplify right side
    140,131.74x = 15,481,134,036.09
  5. Step 5: Solve for x
    x = 15,481,134,036.09/140,131.74
  6. Step 6: Final answer
    x = 110,475.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.