Home / 102,181.14-140,929.92-69,934.86

Finding the Fourth Proportional to 102,181.14, 140,929.92 and 69,934.86

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Solution

The fourth proportional to 102,181.14, 140,929.92 and 69,934.86 is: 96,455.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,181.14 : 140,929.92 = 69,934.86 : x
  2. Step 2: Convert to fraction form
    102,181.14/140,929.92 = 69,934.86/x
  3. Step 3: Cross multiply
    102,181.14x = 140,929.92 × 69,934.86
  4. Step 4: Simplify right side
    102,181.14x = 9,855,914,225.01
  5. Step 5: Solve for x
    x = 9,855,914,225.01/102,181.14
  6. Step 6: Final answer
    x = 96,455.32

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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.