Home / 140,008.83-209,975.57-51,262.80

Finding the Fourth Proportional to 140,008.83, 209,975.57 and 51,262.80

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Solution

The fourth proportional to 140,008.83, 209,975.57 and 51,262.80 is: 76,880.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,008.83 : 209,975.57 = 51,262.80 : x
  2. Step 2: Convert to fraction form
    140,008.83/209,975.57 = 51,262.80/x
  3. Step 3: Cross multiply
    140,008.83x = 209,975.57 × 51,262.80
  4. Step 4: Simplify right side
    140,008.83x = 10,763,935,649.80
  5. Step 5: Solve for x
    x = 10,763,935,649.80/140,008.83
  6. Step 6: Final answer
    x = 76,880.41

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1.5x scale

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.