Home / 266,779.08-400,168.60-109,007.40

Finding the Fourth Proportional to 266,779.08, 400,168.60 and 109,007.40

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Solution

The fourth proportional to 266,779.08, 400,168.60 and 109,007.40 is: 163,511.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,779.08 : 400,168.60 = 109,007.40 : x
  2. Step 2: Convert to fraction form
    266,779.08/400,168.60 = 109,007.40/x
  3. Step 3: Cross multiply
    266,779.08x = 400,168.60 × 109,007.40
  4. Step 4: Simplify right side
    266,779.08x = 43,621,338,647.64
  5. Step 5: Solve for x
    x = 43,621,338,647.64/266,779.08
  6. Step 6: Final answer
    x = 163,511.09

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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.