Home / 223,182.48-307,989.96-121,210.60

Finding the Fourth Proportional to 223,182.48, 307,989.96 and 121,210.60

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Solution

The fourth proportional to 223,182.48, 307,989.96 and 121,210.60 is: 167,269.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,182.48 : 307,989.96 = 121,210.60 : x
  2. Step 2: Convert to fraction form
    223,182.48/307,989.96 = 121,210.60/x
  3. Step 3: Cross multiply
    223,182.48x = 307,989.96 × 121,210.60
  4. Step 4: Simplify right side
    223,182.48x = 37,331,647,845.58
  5. Step 5: Solve for x
    x = 37,331,647,845.58/223,182.48
  6. Step 6: Final answer
    x = 167,269.62

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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.