Home / 140,775.80-211,194.88-77,563.38

Finding the Fourth Proportional to 140,775.80, 211,194.88 and 77,563.38

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Solution

The fourth proportional to 140,775.80, 211,194.88 and 77,563.38 is: 116,362.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,775.80 : 211,194.88 = 77,563.38 : x
  2. Step 2: Convert to fraction form
    140,775.80/211,194.88 = 77,563.38/x
  3. Step 3: Cross multiply
    140,775.80x = 211,194.88 × 77,563.38
  4. Step 4: Simplify right side
    140,775.80x = 16,380,988,731.49
  5. Step 5: Solve for x
    x = 16,380,988,731.49/140,775.80
  6. Step 6: Final answer
    x = 116,362.25

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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.