Home / 254,857.03-351,710.36-140,129.74

Finding the Fourth Proportional to 254,857.03, 351,710.36 and 140,129.74

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Solution

The fourth proportional to 254,857.03, 351,710.36 and 140,129.74 is: 193,383.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,857.03 : 351,710.36 = 140,129.74 : x
  2. Step 2: Convert to fraction form
    254,857.03/351,710.36 = 140,129.74/x
  3. Step 3: Cross multiply
    254,857.03x = 351,710.36 × 140,129.74
  4. Step 4: Simplify right side
    254,857.03x = 49,285,081,302.11
  5. Step 5: Solve for x
    x = 49,285,081,302.11/254,857.03
  6. Step 6: Final answer
    x = 193,383.25

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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.