Home / 140,846.23-211,480.40-121,929.21

Finding the Fourth Proportional to 140,846.23, 211,480.40 and 121,929.21

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Solution

The fourth proportional to 140,846.23, 211,480.40 and 121,929.21 is: 183,076.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,846.23 : 211,480.40 = 121,929.21 : x
  2. Step 2: Convert to fraction form
    140,846.23/211,480.40 = 121,929.21/x
  3. Step 3: Cross multiply
    140,846.23x = 211,480.40 × 121,929.21
  4. Step 4: Simplify right side
    140,846.23x = 25,785,637,469.59
  5. Step 5: Solve for x
    x = 25,785,637,469.59/140,846.23
  6. Step 6: Final answer
    x = 183,076.52

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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.