Home / 140,907.36-211,249.87-69,854.46

Finding the Fourth Proportional to 140,907.36, 211,249.87 and 69,854.46

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Solution

The fourth proportional to 140,907.36, 211,249.87 and 69,854.46 is: 104,726.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,907.36 : 211,249.87 = 69,854.46 : x
  2. Step 2: Convert to fraction form
    140,907.36/211,249.87 = 69,854.46/x
  3. Step 3: Cross multiply
    140,907.36x = 211,249.87 × 69,854.46
  4. Step 4: Simplify right side
    140,907.36x = 14,756,745,593.92
  5. Step 5: Solve for x
    x = 14,756,745,593.92/140,907.36
  6. Step 6: Final answer
    x = 104,726.58

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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.