Home / 180,123.09-248,579.48-103,653.83

Finding the Fourth Proportional to 180,123.09, 248,579.48 and 103,653.83

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Solution

The fourth proportional to 180,123.09, 248,579.48 and 103,653.83 is: 143,047.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,123.09 : 248,579.48 = 103,653.83 : x
  2. Step 2: Convert to fraction form
    180,123.09/248,579.48 = 103,653.83/x
  3. Step 3: Cross multiply
    180,123.09x = 248,579.48 × 103,653.83
  4. Step 4: Simplify right side
    180,123.09x = 25,766,213,788.94
  5. Step 5: Solve for x
    x = 25,766,213,788.94/180,123.09
  6. Step 6: Final answer
    x = 143,047.81

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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.