Home / 198,054.29-297,006.83-71,663.28

Finding the Fourth Proportional to 198,054.29, 297,006.83 and 71,663.28

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Solution

The fourth proportional to 198,054.29, 297,006.83 and 71,663.28 is: 107,467.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,054.29 : 297,006.83 = 71,663.28 : x
  2. Step 2: Convert to fraction form
    198,054.29/297,006.83 = 71,663.28/x
  3. Step 3: Cross multiply
    198,054.29x = 297,006.83 × 71,663.28
  4. Step 4: Simplify right side
    198,054.29x = 21,284,483,885.96
  5. Step 5: Solve for x
    x = 21,284,483,885.96/198,054.29
  6. Step 6: Final answer
    x = 107,467.93

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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.