Home / 209,861.07-314,884.52-109,997.52

Finding the Fourth Proportional to 209,861.07, 314,884.52 and 109,997.52

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Solution

The fourth proportional to 209,861.07, 314,884.52 and 109,997.52 is: 165,044.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,861.07 : 314,884.52 = 109,997.52 : x
  2. Step 2: Convert to fraction form
    209,861.07/314,884.52 = 109,997.52/x
  3. Step 3: Cross multiply
    209,861.07x = 314,884.52 × 109,997.52
  4. Step 4: Simplify right side
    209,861.07x = 34,636,516,286.39
  5. Step 5: Solve for x
    x = 34,636,516,286.39/209,861.07
  6. Step 6: Final answer
    x = 165,044.98

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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.