Home / 254,083.74-350,633.17-139,360.05

Finding the Fourth Proportional to 254,083.74, 350,633.17 and 139,360.05

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Solution

The fourth proportional to 254,083.74, 350,633.17 and 139,360.05 is: 192,315.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,083.74 : 350,633.17 = 139,360.05 : x
  2. Step 2: Convert to fraction form
    254,083.74/350,633.17 = 139,360.05/x
  3. Step 3: Cross multiply
    254,083.74x = 350,633.17 × 139,360.05
  4. Step 4: Simplify right side
    254,083.74x = 48,864,253,652.89
  5. Step 5: Solve for x
    x = 48,864,253,652.89/254,083.74
  6. Step 6: Final answer
    x = 192,315.55

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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.