Home / 121,827.54-168,028.92-104,860.20

Finding the Fourth Proportional to 121,827.54, 168,028.92 and 104,860.20

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Solution

The fourth proportional to 121,827.54, 168,028.92 and 104,860.20 is: 144,626.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,827.54 : 168,028.92 = 104,860.20 : x
  2. Step 2: Convert to fraction form
    121,827.54/168,028.92 = 104,860.20/x
  3. Step 3: Cross multiply
    121,827.54x = 168,028.92 × 104,860.20
  4. Step 4: Simplify right side
    121,827.54x = 17,619,546,156.98
  5. Step 5: Solve for x
    x = 17,619,546,156.98/121,827.54
  6. Step 6: Final answer
    x = 144,626.96

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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.