Home / 178,064.22-266,911.71-111,351.18

Finding the Fourth Proportional to 178,064.22, 266,911.71 and 111,351.18

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Solution

The fourth proportional to 178,064.22, 266,911.71 and 111,351.18 is: 166,911.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,064.22 : 266,911.71 = 111,351.18 : x
  2. Step 2: Convert to fraction form
    178,064.22/266,911.71 = 111,351.18/x
  3. Step 3: Cross multiply
    178,064.22x = 266,911.71 × 111,351.18
  4. Step 4: Simplify right side
    178,064.22x = 29,720,933,864.32
  5. Step 5: Solve for x
    x = 29,720,933,864.32/178,064.22
  6. Step 6: Final answer
    x = 166,911.32

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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.