Home / 255,933.48-353,215.62-142,795.56

Finding the Fourth Proportional to 255,933.48, 353,215.62 and 142,795.56

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Solution

The fourth proportional to 255,933.48, 353,215.62 and 142,795.56 is: 197,073.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,933.48 : 353,215.62 = 142,795.56 : x
  2. Step 2: Convert to fraction form
    255,933.48/353,215.62 = 142,795.56/x
  3. Step 3: Cross multiply
    255,933.48x = 353,215.62 × 142,795.56
  4. Step 4: Simplify right side
    255,933.48x = 50,437,622,258.65
  5. Step 5: Solve for x
    x = 50,437,622,258.65/255,933.48
  6. Step 6: Final answer
    x = 197,073.17

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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.