Home / 255,450.03-352,537.16-142,272.51

Finding the Fourth Proportional to 255,450.03, 352,537.16 and 142,272.51

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Solution

The fourth proportional to 255,450.03, 352,537.16 and 142,272.51 is: 196,345.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,450.03 : 352,537.16 = 142,272.51 : x
  2. Step 2: Convert to fraction form
    255,450.03/352,537.16 = 142,272.51/x
  3. Step 3: Cross multiply
    255,450.03x = 352,537.16 × 142,272.51
  4. Step 4: Simplify right side
    255,450.03x = 50,156,345,910.11
  5. Step 5: Solve for x
    x = 50,156,345,910.11/255,450.03
  6. Step 6: Final answer
    x = 196,345.04

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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.