Home / 254,586.69-351,329.77-139,872.73

Finding the Fourth Proportional to 254,586.69, 351,329.77 and 139,872.73

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Solution

The fourth proportional to 254,586.69, 351,329.77 and 139,872.73 is: 193,024.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,586.69 : 351,329.77 = 139,872.73 : x
  2. Step 2: Convert to fraction form
    254,586.69/351,329.77 = 139,872.73/x
  3. Step 3: Cross multiply
    254,586.69x = 351,329.77 × 139,872.73
  4. Step 4: Simplify right side
    254,586.69x = 49,141,452,832.17
  5. Step 5: Solve for x
    x = 49,141,452,832.17/254,586.69
  6. Step 6: Final answer
    x = 193,024.44

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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.