Home / 121,512.15-182,268.23-104,016.15

Finding the Fourth Proportional to 121,512.15, 182,268.23 and 104,016.15

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Solution

The fourth proportional to 121,512.15, 182,268.23 and 104,016.15 is: 156,024.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,512.15 : 182,268.23 = 104,016.15 : x
  2. Step 2: Convert to fraction form
    121,512.15/182,268.23 = 104,016.15/x
  3. Step 3: Cross multiply
    121,512.15x = 182,268.23 × 104,016.15
  4. Step 4: Simplify right side
    121,512.15x = 18,958,839,031.83
  5. Step 5: Solve for x
    x = 18,958,839,031.83/121,512.15
  6. Step 6: Final answer
    x = 156,024.23

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1.5x scale

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.