Home / 254,718.43-351,515.07-140,007.68

Finding the Fourth Proportional to 254,718.43, 351,515.07 and 140,007.68

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Solution

The fourth proportional to 254,718.43, 351,515.07 and 140,007.68 is: 193,212.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,718.43 : 351,515.07 = 140,007.68 : x
  2. Step 2: Convert to fraction form
    254,718.43/351,515.07 = 140,007.68/x
  3. Step 3: Cross multiply
    254,718.43x = 351,515.07 × 140,007.68
  4. Step 4: Simplify right side
    254,718.43x = 49,214,808,996.34
  5. Step 5: Solve for x
    x = 49,214,808,996.34/254,718.43
  6. Step 6: Final answer
    x = 193,212.60

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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.