Home / 140,874.55-211,293.33-69,769.51

Finding the Fourth Proportional to 140,874.55, 211,293.33 and 69,769.51

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Solution

The fourth proportional to 140,874.55, 211,293.33 and 69,769.51 is: 104,645.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,874.55 : 211,293.33 = 69,769.51 : x
  2. Step 2: Convert to fraction form
    140,874.55/211,293.33 = 69,769.51/x
  3. Step 3: Cross multiply
    140,874.55x = 211,293.33 × 69,769.51
  4. Step 4: Simplify right side
    140,874.55x = 14,741,832,100.37
  5. Step 5: Solve for x
    x = 14,741,832,100.37/140,874.55
  6. Step 6: Final answer
    x = 104,645.11

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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.