Home / 187,829.21-259,205.06-101,788.38

Finding the Fourth Proportional to 187,829.21, 259,205.06 and 101,788.38

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Solution

The fourth proportional to 187,829.21, 259,205.06 and 101,788.38 is: 140,468.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,829.21 : 259,205.06 = 101,788.38 : x
  2. Step 2: Convert to fraction form
    187,829.21/259,205.06 = 101,788.38/x
  3. Step 3: Cross multiply
    187,829.21x = 259,205.06 × 101,788.38
  4. Step 4: Simplify right side
    187,829.21x = 26,384,063,399.67
  5. Step 5: Solve for x
    x = 26,384,063,399.67/187,829.21
  6. Step 6: Final answer
    x = 140,468.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.