Home / 254,718.48-351,515.14-140,007.73

Finding the Fourth Proportional to 254,718.48, 351,515.14 and 140,007.73

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Solution

The fourth proportional to 254,718.48, 351,515.14 and 140,007.73 is: 193,212.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,718.48 : 351,515.14 = 140,007.73 : x
  2. Step 2: Convert to fraction form
    254,718.48/351,515.14 = 140,007.73/x
  3. Step 3: Cross multiply
    254,718.48x = 351,515.14 × 140,007.73
  4. Step 4: Simplify right side
    254,718.48x = 49,214,836,812.03
  5. Step 5: Solve for x
    x = 49,214,836,812.03/254,718.48
  6. Step 6: Final answer
    x = 193,212.67

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1.5x scale

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.