Home / 105,289.20-157,942.08-35,168.76

Finding the Fourth Proportional to 105,289.20, 157,942.08 and 35,168.76

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Solution

The fourth proportional to 105,289.20, 157,942.08 and 35,168.76 is: 52,755.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,289.20 : 157,942.08 = 35,168.76 : x
  2. Step 2: Convert to fraction form
    105,289.20/157,942.08 = 35,168.76/x
  3. Step 3: Cross multiply
    105,289.20x = 157,942.08 × 35,168.76
  4. Step 4: Simplify right side
    105,289.20x = 5,554,627,105.42
  5. Step 5: Solve for x
    x = 5,554,627,105.42/105,289.20
  6. Step 6: Final answer
    x = 52,755.91

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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.