Home / 171,012.32-235,840.03-102,911.10

Finding the Fourth Proportional to 171,012.32, 235,840.03 and 102,911.10

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Solution

The fourth proportional to 171,012.32, 235,840.03 and 102,911.10 is: 141,922.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,012.32 : 235,840.03 = 102,911.10 : x
  2. Step 2: Convert to fraction form
    171,012.32/235,840.03 = 102,911.10/x
  3. Step 3: Cross multiply
    171,012.32x = 235,840.03 × 102,911.10
  4. Step 4: Simplify right side
    171,012.32x = 24,270,556,911.33
  5. Step 5: Solve for x
    x = 24,270,556,911.33/171,012.32
  6. Step 6: Final answer
    x = 141,922.86

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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.