Home / 178,997.57-247,015.76-105,452.70

Finding the Fourth Proportional to 178,997.57, 247,015.76 and 105,452.70

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Solution

The fourth proportional to 178,997.57, 247,015.76 and 105,452.70 is: 145,524.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,997.57 : 247,015.76 = 105,452.70 : x
  2. Step 2: Convert to fraction form
    178,997.57/247,015.76 = 105,452.70/x
  3. Step 3: Cross multiply
    178,997.57x = 247,015.76 × 105,452.70
  4. Step 4: Simplify right side
    178,997.57x = 26,048,478,834.55
  5. Step 5: Solve for x
    x = 26,048,478,834.55/178,997.57
  6. Step 6: Final answer
    x = 145,524.20

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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.