Home / 102,169.96-140,973.41-59,720.29

Finding the Fourth Proportional to 102,169.96, 140,973.41 and 59,720.29

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Solution

The fourth proportional to 102,169.96, 140,973.41 and 59,720.29 is: 82,401.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,169.96 : 140,973.41 = 59,720.29 : x
  2. Step 2: Convert to fraction form
    102,169.96/140,973.41 = 59,720.29/x
  3. Step 3: Cross multiply
    102,169.96x = 140,973.41 × 59,720.29
  4. Step 4: Simplify right side
    102,169.96x = 8,418,972,724.36
  5. Step 5: Solve for x
    x = 8,418,972,724.36/102,169.96
  6. Step 6: Final answer
    x = 82,401.65

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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.