Home / 140,832.24-210,190.44-121,772.76

Finding the Fourth Proportional to 140,832.24, 210,190.44 and 121,772.76

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Solution

The fourth proportional to 140,832.24, 210,190.44 and 121,772.76 is: 181,744.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,832.24 : 210,190.44 = 121,772.76 : x
  2. Step 2: Convert to fraction form
    140,832.24/210,190.44 = 121,772.76/x
  3. Step 3: Cross multiply
    140,832.24x = 210,190.44 × 121,772.76
  4. Step 4: Simplify right side
    140,832.24x = 25,595,470,004.41
  5. Step 5: Solve for x
    x = 25,595,470,004.41/140,832.24
  6. Step 6: Final answer
    x = 181,744.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.