Home / 266,783.14-400,145.23-67,103.60

Finding the Fourth Proportional to 266,783.14, 400,145.23 and 67,103.60

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Solution

The fourth proportional to 266,783.14, 400,145.23 and 67,103.60 is: 100,647.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,783.14 : 400,145.23 = 67,103.60 : x
  2. Step 2: Convert to fraction form
    266,783.14/400,145.23 = 67,103.60/x
  3. Step 3: Cross multiply
    266,783.14x = 400,145.23 × 67,103.60
  4. Step 4: Simplify right side
    266,783.14x = 26,851,185,455.83
  5. Step 5: Solve for x
    x = 26,851,185,455.83/266,783.14
  6. Step 6: Final answer
    x = 100,647.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.