Home / 179,074.73-247,158.27-102,645.09

Finding the Fourth Proportional to 179,074.73, 247,158.27 and 102,645.09

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Solution

The fourth proportional to 179,074.73, 247,158.27 and 102,645.09 is: 141,670.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,074.73 : 247,158.27 = 102,645.09 : x
  2. Step 2: Convert to fraction form
    179,074.73/247,158.27 = 102,645.09/x
  3. Step 3: Cross multiply
    179,074.73x = 247,158.27 × 102,645.09
  4. Step 4: Simplify right side
    179,074.73x = 25,369,582,868.39
  5. Step 5: Solve for x
    x = 25,369,582,868.39/179,074.73
  6. Step 6: Final answer
    x = 141,670.37

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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.