Home / 193,711.38-289,942.08-100,088.34

Finding the Fourth Proportional to 193,711.38, 289,942.08 and 100,088.34

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Solution

The fourth proportional to 193,711.38, 289,942.08 and 100,088.34 is: 149,809.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,711.38 : 289,942.08 = 100,088.34 : x
  2. Step 2: Convert to fraction form
    193,711.38/289,942.08 = 100,088.34/x
  3. Step 3: Cross multiply
    193,711.38x = 289,942.08 × 100,088.34
  4. Step 4: Simplify right side
    193,711.38x = 29,019,821,483.35
  5. Step 5: Solve for x
    x = 29,019,821,483.35/193,711.38
  6. Step 6: Final answer
    x = 149,809.59

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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.