Home / 257,546.16-355,433.40-162,134.64

Finding the Fourth Proportional to 257,546.16, 355,433.40 and 162,134.64

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Solution

The fourth proportional to 257,546.16, 355,433.40 and 162,134.64 is: 223,758.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,546.16 : 355,433.40 = 162,134.64 : x
  2. Step 2: Convert to fraction form
    257,546.16/355,433.40 = 162,134.64/x
  3. Step 3: Cross multiply
    257,546.16x = 355,433.40 × 162,134.64
  4. Step 4: Simplify right side
    257,546.16x = 57,628,066,352.98
  5. Step 5: Solve for x
    x = 57,628,066,352.98/257,546.16
  6. Step 6: Final answer
    x = 223,758.20

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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.