Home / 254,701.30-351,490.98-139,992.48

Finding the Fourth Proportional to 254,701.30, 351,490.98 and 139,992.48

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Solution

The fourth proportional to 254,701.30, 351,490.98 and 139,992.48 is: 193,191.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,701.30 : 351,490.98 = 139,992.48 : x
  2. Step 2: Convert to fraction form
    254,701.30/351,490.98 = 139,992.48/x
  3. Step 3: Cross multiply
    254,701.30x = 351,490.98 × 139,992.48
  4. Step 4: Simplify right side
    254,701.30x = 49,206,093,987.83
  5. Step 5: Solve for x
    x = 49,206,093,987.83/254,701.30
  6. Step 6: Final answer
    x = 193,191.37

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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.