Home / 140,927.07-211,628.74-139,838.43

Finding the Fourth Proportional to 140,927.07, 211,628.74 and 139,838.43

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Solution

The fourth proportional to 140,927.07, 211,628.74 and 139,838.43 is: 209,993.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,927.07 : 211,628.74 = 139,838.43 : x
  2. Step 2: Convert to fraction form
    140,927.07/211,628.74 = 139,838.43/x
  3. Step 3: Cross multiply
    140,927.07x = 211,628.74 × 139,838.43
  4. Step 4: Simplify right side
    140,927.07x = 29,593,830,744.48
  5. Step 5: Solve for x
    x = 29,593,830,744.48/140,927.07
  6. Step 6: Final answer
    x = 209,993.94

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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.