Home / 140,971.15-211,434.75-41,120.89

Finding the Fourth Proportional to 140,971.15, 211,434.75 and 41,120.89

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Solution

The fourth proportional to 140,971.15, 211,434.75 and 41,120.89 is: 61,674.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,971.15 : 211,434.75 = 41,120.89 : x
  2. Step 2: Convert to fraction form
    140,971.15/211,434.75 = 41,120.89/x
  3. Step 3: Cross multiply
    140,971.15x = 211,434.75 × 41,120.89
  4. Step 4: Simplify right side
    140,971.15x = 8,694,385,096.93
  5. Step 5: Solve for x
    x = 8,694,385,096.93/140,971.15
  6. Step 6: Final answer
    x = 61,674.92

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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.