Home / 263,146.20-363,145.58-148,430.31

Finding the Fourth Proportional to 263,146.20, 363,145.58 and 148,430.31

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Solution

The fourth proportional to 263,146.20, 363,145.58 and 148,430.31 is: 204,835.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,146.20 : 363,145.58 = 148,430.31 : x
  2. Step 2: Convert to fraction form
    263,146.20/363,145.58 = 148,430.31/x
  3. Step 3: Cross multiply
    263,146.20x = 363,145.58 × 148,430.31
  4. Step 4: Simplify right side
    263,146.20x = 53,901,811,014.53
  5. Step 5: Solve for x
    x = 53,901,811,014.53/263,146.20
  6. Step 6: Final answer
    x = 204,835.98

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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.