Home / 255,417.26-352,450.58-142,250.54

Finding the Fourth Proportional to 255,417.26, 352,450.58 and 142,250.54

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Solution

The fourth proportional to 255,417.26, 352,450.58 and 142,250.54 is: 196,291.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,417.26 : 352,450.58 = 142,250.54 : x
  2. Step 2: Convert to fraction form
    255,417.26/352,450.58 = 142,250.54/x
  3. Step 3: Cross multiply
    255,417.26x = 352,450.58 × 142,250.54
  4. Step 4: Simplify right side
    255,417.26x = 50,136,285,328.31
  5. Step 5: Solve for x
    x = 50,136,285,328.31/255,417.26
  6. Step 6: Final answer
    x = 196,291.69

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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.