Home / 144,897.40-199,957.98-81,234.64

Finding the Fourth Proportional to 144,897.40, 199,957.98 and 81,234.64

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Solution

The fourth proportional to 144,897.40, 199,957.98 and 81,234.64 is: 112,103.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,897.40 : 199,957.98 = 81,234.64 : x
  2. Step 2: Convert to fraction form
    144,897.40/199,957.98 = 81,234.64/x
  3. Step 3: Cross multiply
    144,897.40x = 199,957.98 × 81,234.64
  4. Step 4: Simplify right side
    144,897.40x = 16,243,514,520.43
  5. Step 5: Solve for x
    x = 16,243,514,520.43/144,897.40
  6. Step 6: Final answer
    x = 112,103.56

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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.