Home / 195,771.10-270,099.86-109,717.50

Finding the Fourth Proportional to 195,771.10, 270,099.86 and 109,717.50

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Solution

The fourth proportional to 195,771.10, 270,099.86 and 109,717.50 is: 151,374.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,771.10 : 270,099.86 = 109,717.50 : x
  2. Step 2: Convert to fraction form
    195,771.10/270,099.86 = 109,717.50/x
  3. Step 3: Cross multiply
    195,771.10x = 270,099.86 × 109,717.50
  4. Step 4: Simplify right side
    195,771.10x = 29,634,681,389.55
  5. Step 5: Solve for x
    x = 29,634,681,389.55/195,771.10
  6. Step 6: Final answer
    x = 151,374.14

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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.