Home / 251,222.10-376,888.49-139,065.90

Finding the Fourth Proportional to 251,222.10, 376,888.49 and 139,065.90

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Solution

The fourth proportional to 251,222.10, 376,888.49 and 139,065.90 is: 208,629.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,222.10 : 376,888.49 = 139,065.90 : x
  2. Step 2: Convert to fraction form
    251,222.10/376,888.49 = 139,065.90/x
  3. Step 3: Cross multiply
    251,222.10x = 376,888.49 × 139,065.90
  4. Step 4: Simplify right side
    251,222.10x = 52,412,337,061.49
  5. Step 5: Solve for x
    x = 52,412,337,061.49/251,222.10
  6. Step 6: Final answer
    x = 208,629.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.