Home / 257,190.21-354,914.46-142,464.24

Finding the Fourth Proportional to 257,190.21, 354,914.46 and 142,464.24

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Solution

The fourth proportional to 257,190.21, 354,914.46 and 142,464.24 is: 196,596.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,190.21 : 354,914.46 = 142,464.24 : x
  2. Step 2: Convert to fraction form
    257,190.21/354,914.46 = 142,464.24/x
  3. Step 3: Cross multiply
    257,190.21x = 354,914.46 × 142,464.24
  4. Step 4: Simplify right side
    257,190.21x = 50,562,618,808.91
  5. Step 5: Solve for x
    x = 50,562,618,808.91/257,190.21
  6. Step 6: Final answer
    x = 196,596.20

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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.