Home / 254,699.30-351,488.23-139,990.48

Finding the Fourth Proportional to 254,699.30, 351,488.23 and 139,990.48

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Solution

The fourth proportional to 254,699.30, 351,488.23 and 139,990.48 is: 193,188.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,699.30 : 351,488.23 = 139,990.48 : x
  2. Step 2: Convert to fraction form
    254,699.30/351,488.23 = 139,990.48/x
  3. Step 3: Cross multiply
    254,699.30x = 351,488.23 × 139,990.48
  4. Step 4: Simplify right side
    254,699.30x = 49,205,004,803.35
  5. Step 5: Solve for x
    x = 49,205,004,803.35/254,699.30
  6. Step 6: Final answer
    x = 193,188.61

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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.