Home / 266,790.12-400,185.86-109,018.59

Finding the Fourth Proportional to 266,790.12, 400,185.86 and 109,018.59

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Solution

The fourth proportional to 266,790.12, 400,185.86 and 109,018.59 is: 163,528.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,790.12 : 400,185.86 = 109,018.59 : x
  2. Step 2: Convert to fraction form
    266,790.12/400,185.86 = 109,018.59/x
  3. Step 3: Cross multiply
    266,790.12x = 400,185.86 × 109,018.59
  4. Step 4: Simplify right side
    266,790.12x = 43,627,697,650.04
  5. Step 5: Solve for x
    x = 43,627,697,650.04/266,790.12
  6. Step 6: Final answer
    x = 163,528.16

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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.