Home / 223,076.15-307,845.33-121,101.56

Finding the Fourth Proportional to 223,076.15, 307,845.33 and 121,101.56

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Solution

The fourth proportional to 223,076.15, 307,845.33 and 121,101.56 is: 167,120.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,076.15 : 307,845.33 = 121,101.56 : x
  2. Step 2: Convert to fraction form
    223,076.15/307,845.33 = 121,101.56/x
  3. Step 3: Cross multiply
    223,076.15x = 307,845.33 × 121,101.56
  4. Step 4: Simplify right side
    223,076.15x = 37,280,549,701.71
  5. Step 5: Solve for x
    x = 37,280,549,701.71/223,076.15
  6. Step 6: Final answer
    x = 167,120.28

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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.