Home / 109,830.10-164,615.55-82,095.70

Finding the Fourth Proportional to 109,830.10, 164,615.55 and 82,095.70

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Solution

The fourth proportional to 109,830.10, 164,615.55 and 82,095.70 is: 123,046.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,830.10 : 164,615.55 = 82,095.70 : x
  2. Step 2: Convert to fraction form
    109,830.10/164,615.55 = 82,095.70/x
  3. Step 3: Cross multiply
    109,830.10x = 164,615.55 × 82,095.70
  4. Step 4: Simplify right side
    109,830.10x = 13,514,228,808.14
  5. Step 5: Solve for x
    x = 13,514,228,808.14/109,830.10
  6. Step 6: Final answer
    x = 123,046.68

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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.