Home / 375,836.45-563,743.73-139,173.89

Finding the Fourth Proportional to 375,836.45, 563,743.73 and 139,173.89

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Solution

The fourth proportional to 375,836.45, 563,743.73 and 139,173.89 is: 208,756.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,836.45 : 563,743.73 = 139,173.89 : x
  2. Step 2: Convert to fraction form
    375,836.45/563,743.73 = 139,173.89/x
  3. Step 3: Cross multiply
    375,836.45x = 563,743.73 × 139,173.89
  4. Step 4: Simplify right side
    375,836.45x = 78,458,404,352.62
  5. Step 5: Solve for x
    x = 78,458,404,352.62/375,836.45
  6. Step 6: Final answer
    x = 208,756.78

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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.