Home / 141,124.05-211,745.31-87,860.61

Finding the Fourth Proportional to 141,124.05, 211,745.31 and 87,860.61

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Solution

The fourth proportional to 141,124.05, 211,745.31 and 87,860.61 is: 131,827.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,124.05 : 211,745.31 = 87,860.61 : x
  2. Step 2: Convert to fraction form
    141,124.05/211,745.31 = 87,860.61/x
  3. Step 3: Cross multiply
    141,124.05x = 211,745.31 × 87,860.61
  4. Step 4: Simplify right side
    141,124.05x = 18,604,072,101.24
  5. Step 5: Solve for x
    x = 18,604,072,101.24/141,124.05
  6. Step 6: Final answer
    x = 131,827.79

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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.