Home / 191,324.80-287,036.48-79,022.35

Finding the Fourth Proportional to 191,324.80, 287,036.48 and 79,022.35

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Solution

The fourth proportional to 191,324.80, 287,036.48 and 79,022.35 is: 118,553.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,324.80 : 287,036.48 = 79,022.35 : x
  2. Step 2: Convert to fraction form
    191,324.80/287,036.48 = 79,022.35/x
  3. Step 3: Cross multiply
    191,324.80x = 287,036.48 × 79,022.35
  4. Step 4: Simplify right side
    191,324.80x = 22,682,297,185.33
  5. Step 5: Solve for x
    x = 22,682,297,185.33/191,324.80
  6. Step 6: Final answer
    x = 118,553.88

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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.