Home / 121,604.55-182,032.93-103,668.36

Finding the Fourth Proportional to 121,604.55, 182,032.93 and 103,668.36

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Solution

The fourth proportional to 121,604.55, 182,032.93 and 103,668.36 is: 155,183.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,604.55 : 182,032.93 = 103,668.36 : x
  2. Step 2: Convert to fraction form
    121,604.55/182,032.93 = 103,668.36/x
  3. Step 3: Cross multiply
    121,604.55x = 182,032.93 × 103,668.36
  4. Step 4: Simplify right side
    121,604.55x = 18,871,055,319.09
  5. Step 5: Solve for x
    x = 18,871,055,319.09/121,604.55
  6. Step 6: Final answer
    x = 155,183.79

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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.