Home / 140,722.74-211,085.19-40,889.70

Finding the Fourth Proportional to 140,722.74, 211,085.19 and 40,889.70

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Solution

The fourth proportional to 140,722.74, 211,085.19 and 40,889.70 is: 61,334.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,722.74 : 211,085.19 = 40,889.70 : x
  2. Step 2: Convert to fraction form
    140,722.74/211,085.19 = 40,889.70/x
  3. Step 3: Cross multiply
    140,722.74x = 211,085.19 × 40,889.70
  4. Step 4: Simplify right side
    140,722.74x = 8,631,210,093.54
  5. Step 5: Solve for x
    x = 8,631,210,093.54/140,722.74
  6. Step 6: Final answer
    x = 61,334.86

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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.