Home / 121,837.61-182,313.54-100,579.97

Finding the Fourth Proportional to 121,837.61, 182,313.54 and 100,579.97

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Solution

The fourth proportional to 121,837.61, 182,313.54 and 100,579.97 is: 150,504.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,837.61 : 182,313.54 = 100,579.97 : x
  2. Step 2: Convert to fraction form
    121,837.61/182,313.54 = 100,579.97/x
  3. Step 3: Cross multiply
    121,837.61x = 182,313.54 × 100,579.97
  4. Step 4: Simplify right side
    121,837.61x = 18,337,089,472.23
  5. Step 5: Solve for x
    x = 18,337,089,472.23/121,837.61
  6. Step 6: Final answer
    x = 150,504.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.