Home / 141,069.15-211,663.09-87,805.68

Finding the Fourth Proportional to 141,069.15, 211,663.09 and 87,805.68

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Solution

The fourth proportional to 141,069.15, 211,663.09 and 87,805.68 is: 131,745.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,069.15 : 211,663.09 = 87,805.68 : x
  2. Step 2: Convert to fraction form
    141,069.15/211,663.09 = 87,805.68/x
  3. Step 3: Cross multiply
    141,069.15x = 211,663.09 × 87,805.68
  4. Step 4: Simplify right side
    141,069.15x = 18,585,220,370.46
  5. Step 5: Solve for x
    x = 18,585,220,370.46/141,069.15
  6. Step 6: Final answer
    x = 131,745.46

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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.