Home / 255,207.90-352,183.44-142,030.65

Finding the Fourth Proportional to 255,207.90, 352,183.44 and 142,030.65

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Solution

The fourth proportional to 255,207.90, 352,183.44 and 142,030.65 is: 196,000.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,207.90 : 352,183.44 = 142,030.65 : x
  2. Step 2: Convert to fraction form
    255,207.90/352,183.44 = 142,030.65/x
  3. Step 3: Cross multiply
    255,207.90x = 352,183.44 × 142,030.65
  4. Step 4: Simplify right side
    255,207.90x = 50,020,842,902.44
  5. Step 5: Solve for x
    x = 50,020,842,902.44/255,207.90
  6. Step 6: Final answer
    x = 196,000.37

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1.5x scale

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.