Home / 140,641.30-194,083.35-76,109.04

Finding the Fourth Proportional to 140,641.30, 194,083.35 and 76,109.04

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Solution

The fourth proportional to 140,641.30, 194,083.35 and 76,109.04 is: 105,029.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,641.30 : 194,083.35 = 76,109.04 : x
  2. Step 2: Convert to fraction form
    140,641.30/194,083.35 = 76,109.04/x
  3. Step 3: Cross multiply
    140,641.30x = 194,083.35 × 76,109.04
  4. Step 4: Simplify right side
    140,641.30x = 14,771,497,448.48
  5. Step 5: Solve for x
    x = 14,771,497,448.48/140,641.30
  6. Step 6: Final answer
    x = 105,029.59

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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.