Home / 256,265.48-353,647.68-143,089.04

Finding the Fourth Proportional to 256,265.48, 353,647.68 and 143,089.04

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Solution

The fourth proportional to 256,265.48, 353,647.68 and 143,089.04 is: 197,463.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,265.48 : 353,647.68 = 143,089.04 : x
  2. Step 2: Convert to fraction form
    256,265.48/353,647.68 = 143,089.04/x
  3. Step 3: Cross multiply
    256,265.48x = 353,647.68 × 143,089.04
  4. Step 4: Simplify right side
    256,265.48x = 50,603,107,029.43
  5. Step 5: Solve for x
    x = 50,603,107,029.43/256,265.48
  6. Step 6: Final answer
    x = 197,463.61

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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.