Home / 121,504.10-182,256.15-107,069.90

Finding the Fourth Proportional to 121,504.10, 182,256.15 and 107,069.90

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Solution

The fourth proportional to 121,504.10, 182,256.15 and 107,069.90 is: 160,604.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,504.10 : 182,256.15 = 107,069.90 : x
  2. Step 2: Convert to fraction form
    121,504.10/182,256.15 = 107,069.90/x
  3. Step 3: Cross multiply
    121,504.10x = 182,256.15 × 107,069.90
  4. Step 4: Simplify right side
    121,504.10x = 19,514,147,754.89
  5. Step 5: Solve for x
    x = 19,514,147,754.89/121,504.10
  6. Step 6: Final answer
    x = 160,604.85

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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.