Home / 254,816.50-351,647-140,097.10

Finding the Fourth Proportional to 254,816.50, 351,647 and 140,097.10

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Solution

The fourth proportional to 254,816.50, 351,647 and 140,097.10 is: 193,334.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,816.50 : 351,647 = 140,097.10 : x
  2. Step 2: Convert to fraction form
    254,816.50/351,647 = 140,097.10/x
  3. Step 3: Cross multiply
    254,816.50x = 351,647 × 140,097.10
  4. Step 4: Simplify right side
    254,816.50x = 49,264,724,923.70
  5. Step 5: Solve for x
    x = 49,264,724,923.70/254,816.50
  6. Step 6: Final answer
    x = 193,334.12

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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.