Home / 102,169.20-140,994.18-56,849.08

Finding the Fourth Proportional to 102,169.20, 140,994.18 and 56,849.08

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Solution

The fourth proportional to 102,169.20, 140,994.18 and 56,849.08 is: 78,452.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,169.20 : 140,994.18 = 56,849.08 : x
  2. Step 2: Convert to fraction form
    102,169.20/140,994.18 = 56,849.08/x
  3. Step 3: Cross multiply
    102,169.20x = 140,994.18 × 56,849.08
  4. Step 4: Simplify right side
    102,169.20x = 8,015,389,418.35
  5. Step 5: Solve for x
    x = 8,015,389,418.35/102,169.20
  6. Step 6: Final answer
    x = 78,452.11

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1.5x scale

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.