Home / 263,868.08-364,142.36-143,013.24

Finding the Fourth Proportional to 263,868.08, 364,142.36 and 143,013.24

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Solution

The fourth proportional to 263,868.08, 364,142.36 and 143,013.24 is: 197,360.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,868.08 : 364,142.36 = 143,013.24 : x
  2. Step 2: Convert to fraction form
    263,868.08/364,142.36 = 143,013.24/x
  3. Step 3: Cross multiply
    263,868.08x = 364,142.36 × 143,013.24
  4. Step 4: Simplify right side
    263,868.08x = 52,077,178,724.85
  5. Step 5: Solve for x
    x = 52,077,178,724.85/263,868.08
  6. Step 6: Final answer
    x = 197,360.66

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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.