Home / 254,853.42-351,706.74-140,140.80

Finding the Fourth Proportional to 254,853.42, 351,706.74 and 140,140.80

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Solution

The fourth proportional to 254,853.42, 351,706.74 and 140,140.80 is: 193,399.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,853.42 : 351,706.74 = 140,140.80 : x
  2. Step 2: Convert to fraction form
    254,853.42/351,706.74 = 140,140.80/x
  3. Step 3: Cross multiply
    254,853.42x = 351,706.74 × 140,140.80
  4. Step 4: Simplify right side
    254,853.42x = 49,288,463,908.99
  5. Step 5: Solve for x
    x = 49,288,463,908.99/254,853.42
  6. Step 6: Final answer
    x = 193,399.26

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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.