Home / 140,845.34-211,125.77-88,291.66

Finding the Fourth Proportional to 140,845.34, 211,125.77 and 88,291.66

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Solution

The fourth proportional to 140,845.34, 211,125.77 and 88,291.66 is: 132,348.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,845.34 : 211,125.77 = 88,291.66 : x
  2. Step 2: Convert to fraction form
    140,845.34/211,125.77 = 88,291.66/x
  3. Step 3: Cross multiply
    140,845.34x = 211,125.77 × 88,291.66
  4. Step 4: Simplify right side
    140,845.34x = 18,640,644,702.08
  5. Step 5: Solve for x
    x = 18,640,644,702.08/140,845.34
  6. Step 6: Final answer
    x = 132,348.32

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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.