Home / 124,634.08-171,878.16-82,118.56

Finding the Fourth Proportional to 124,634.08, 171,878.16 and 82,118.56

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Solution

The fourth proportional to 124,634.08, 171,878.16 and 82,118.56 is: 113,246.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,634.08 : 171,878.16 = 82,118.56 : x
  2. Step 2: Convert to fraction form
    124,634.08/171,878.16 = 82,118.56/x
  3. Step 3: Cross multiply
    124,634.08x = 171,878.16 × 82,118.56
  4. Step 4: Simplify right side
    124,634.08x = 14,114,386,994.65
  5. Step 5: Solve for x
    x = 14,114,386,994.65/124,634.08
  6. Step 6: Final answer
    x = 113,246.61

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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.