Home / 254,439.07-351,112.21-141,254.53

Finding the Fourth Proportional to 254,439.07, 351,112.21 and 141,254.53

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Solution

The fourth proportional to 254,439.07, 351,112.21 and 141,254.53 is: 194,923.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,439.07 : 351,112.21 = 141,254.53 : x
  2. Step 2: Convert to fraction form
    254,439.07/351,112.21 = 141,254.53/x
  3. Step 3: Cross multiply
    254,439.07x = 351,112.21 × 141,254.53
  4. Step 4: Simplify right side
    254,439.07x = 49,596,190,816.27
  5. Step 5: Solve for x
    x = 49,596,190,816.27/254,439.07
  6. Step 6: Final answer
    x = 194,923.64

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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.