Home / 254,589.50-351,333.73-139,868.36

Finding the Fourth Proportional to 254,589.50, 351,333.73 and 139,868.36

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Solution

The fourth proportional to 254,589.50, 351,333.73 and 139,868.36 is: 193,018.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,589.50 : 351,333.73 = 139,868.36 : x
  2. Step 2: Convert to fraction form
    254,589.50/351,333.73 = 139,868.36/x
  3. Step 3: Cross multiply
    254,589.50x = 351,333.73 × 139,868.36
  4. Step 4: Simplify right side
    254,589.50x = 49,140,473,552.94
  5. Step 5: Solve for x
    x = 49,140,473,552.94/254,589.50
  6. Step 6: Final answer
    x = 193,018.46

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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.