Home / 102,231.40-141,083.46-56,911.24

Finding the Fourth Proportional to 102,231.40, 141,083.46 and 56,911.24

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Solution

The fourth proportional to 102,231.40, 141,083.46 and 56,911.24 is: 78,539.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,231.40 : 141,083.46 = 56,911.24 : x
  2. Step 2: Convert to fraction form
    102,231.40/141,083.46 = 56,911.24/x
  3. Step 3: Cross multiply
    102,231.40x = 141,083.46 × 56,911.24
  4. Step 4: Simplify right side
    102,231.40x = 8,029,234,652.09
  5. Step 5: Solve for x
    x = 8,029,234,652.09/102,231.40
  6. Step 6: Final answer
    x = 78,539.81

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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.