Home / 198,663.43-297,814.92-72,214.36

Finding the Fourth Proportional to 198,663.43, 297,814.92 and 72,214.36

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Solution

The fourth proportional to 198,663.43, 297,814.92 and 72,214.36 is: 108,256.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,663.43 : 297,814.92 = 72,214.36 : x
  2. Step 2: Convert to fraction form
    198,663.43/297,814.92 = 72,214.36/x
  3. Step 3: Cross multiply
    198,663.43x = 297,814.92 × 72,214.36
  4. Step 4: Simplify right side
    198,663.43x = 21,506,514,506.12
  5. Step 5: Solve for x
    x = 21,506,514,506.12/198,663.43
  6. Step 6: Final answer
    x = 108,256.03

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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.