Home / 263,648.08-363,835.44-142,790.80

Finding the Fourth Proportional to 263,648.08, 363,835.44 and 142,790.80

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Solution

The fourth proportional to 263,648.08, 363,835.44 and 142,790.80 is: 197,051.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,648.08 : 363,835.44 = 142,790.80 : x
  2. Step 2: Convert to fraction form
    263,648.08/363,835.44 = 142,790.80/x
  3. Step 3: Cross multiply
    263,648.08x = 363,835.44 × 142,790.80
  4. Step 4: Simplify right side
    263,648.08x = 51,952,353,545.95
  5. Step 5: Solve for x
    x = 51,952,353,545.95/263,648.08
  6. Step 6: Final answer
    x = 197,051.89

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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.