Home / 140,824.60-210,848.10-109,720.60

Finding the Fourth Proportional to 140,824.60, 210,848.10 and 109,720.60

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Solution

The fourth proportional to 140,824.60, 210,848.10 and 109,720.60 is: 164,277.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,824.60 : 210,848.10 = 109,720.60 : x
  2. Step 2: Convert to fraction form
    140,824.60/210,848.10 = 109,720.60/x
  3. Step 3: Cross multiply
    140,824.60x = 210,848.10 × 109,720.60
  4. Step 4: Simplify right side
    140,824.60x = 23,134,380,040.86
  5. Step 5: Solve for x
    x = 23,134,380,040.86/140,824.60
  6. Step 6: Final answer
    x = 164,277.97

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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.