Home / 102,169.12-140,994.06-56,849

Finding the Fourth Proportional to 102,169.12, 140,994.06 and 56,849

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Solution

The fourth proportional to 102,169.12, 140,994.06 and 56,849 is: 78,452.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,169.12 : 140,994.06 = 56,849 : x
  2. Step 2: Convert to fraction form
    102,169.12/140,994.06 = 56,849/x
  3. Step 3: Cross multiply
    102,169.12x = 140,994.06 × 56,849
  4. Step 4: Simplify right side
    102,169.12x = 8,015,371,316.94
  5. Step 5: Solve for x
    x = 8,015,371,316.94/102,169.12
  6. Step 6: Final answer
    x = 78,452.00

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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.