Home / 140,822.60-210,845.10-109,718.60

Finding the Fourth Proportional to 140,822.60, 210,845.10 and 109,718.60

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Solution

The fourth proportional to 140,822.60, 210,845.10 and 109,718.60 is: 164,274.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,822.60 : 210,845.10 = 109,718.60 : x
  2. Step 2: Convert to fraction form
    140,822.60/210,845.10 = 109,718.60/x
  3. Step 3: Cross multiply
    140,822.60x = 210,845.10 × 109,718.60
  4. Step 4: Simplify right side
    140,822.60x = 23,133,629,188.86
  5. Step 5: Solve for x
    x = 23,133,629,188.86/140,822.60
  6. Step 6: Final answer
    x = 164,274.98

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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.