Home / 263,500.64-363,628.42-142,638.82

Finding the Fourth Proportional to 263,500.64, 363,628.42 and 142,638.82

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Solution

The fourth proportional to 263,500.64, 363,628.42 and 142,638.82 is: 196,840.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,500.64 : 363,628.42 = 142,638.82 : x
  2. Step 2: Convert to fraction form
    263,500.64/363,628.42 = 142,638.82/x
  3. Step 3: Cross multiply
    263,500.64x = 363,628.42 × 142,638.82
  4. Step 4: Simplify right side
    263,500.64x = 51,867,528,747.26
  5. Step 5: Solve for x
    x = 51,867,528,747.26/263,500.64
  6. Step 6: Final answer
    x = 196,840.24

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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.