Home / 254,496.11-351,247.82-147,128.58

Finding the Fourth Proportional to 254,496.11, 351,247.82 and 147,128.58

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Solution

The fourth proportional to 254,496.11, 351,247.82 and 147,128.58 is: 203,062.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,496.11 : 351,247.82 = 147,128.58 : x
  2. Step 2: Convert to fraction form
    254,496.11/351,247.82 = 147,128.58/x
  3. Step 3: Cross multiply
    254,496.11x = 351,247.82 × 147,128.58
  4. Step 4: Simplify right side
    254,496.11x = 51,678,592,249.05
  5. Step 5: Solve for x
    x = 51,678,592,249.05/254,496.11
  6. Step 6: Final answer
    x = 203,062.41

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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.