Home / 211,205.26-291,229.77-134,603.11

Finding the Fourth Proportional to 211,205.26, 291,229.77 and 134,603.11

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Solution

The fourth proportional to 211,205.26, 291,229.77 and 134,603.11 is: 185,603.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,205.26 : 291,229.77 = 134,603.11 : x
  2. Step 2: Convert to fraction form
    211,205.26/291,229.77 = 134,603.11/x
  3. Step 3: Cross multiply
    211,205.26x = 291,229.77 × 134,603.11
  4. Step 4: Simplify right side
    211,205.26x = 39,200,432,766.58
  5. Step 5: Solve for x
    x = 39,200,432,766.58/211,205.26
  6. Step 6: Final answer
    x = 185,603.49

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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.