Home / 120,008.43-165,605.23-69,013.05

Finding the Fourth Proportional to 120,008.43, 165,605.23 and 69,013.05

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Solution

The fourth proportional to 120,008.43, 165,605.23 and 69,013.05 is: 95,234.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,008.43 : 165,605.23 = 69,013.05 : x
  2. Step 2: Convert to fraction form
    120,008.43/165,605.23 = 69,013.05/x
  3. Step 3: Cross multiply
    120,008.43x = 165,605.23 × 69,013.05
  4. Step 4: Simplify right side
    120,008.43x = 11,428,922,725.54
  5. Step 5: Solve for x
    x = 11,428,922,725.54/120,008.43
  6. Step 6: Final answer
    x = 95,234.34

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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.