Home / 179,821.47-248,161.73-103,365.39

Finding the Fourth Proportional to 179,821.47, 248,161.73 and 103,365.39

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Solution

The fourth proportional to 179,821.47, 248,161.73 and 103,365.39 is: 142,648.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,821.47 : 248,161.73 = 103,365.39 : x
  2. Step 2: Convert to fraction form
    179,821.47/248,161.73 = 103,365.39/x
  3. Step 3: Cross multiply
    179,821.47x = 248,161.73 × 103,365.39
  4. Step 4: Simplify right side
    179,821.47x = 25,651,333,487.70
  5. Step 5: Solve for x
    x = 25,651,333,487.70/179,821.47
  6. Step 6: Final answer
    x = 142,648.89

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1.5x scale

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.