Home / 80,199.11-110,670.81-45,745.19

Finding the Fourth Proportional to 80,199.11, 110,670.81 and 45,745.19

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Solution

The fourth proportional to 80,199.11, 110,670.81 and 45,745.19 is: 63,126.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,199.11 : 110,670.81 = 45,745.19 : x
  2. Step 2: Convert to fraction form
    80,199.11/110,670.81 = 45,745.19/x
  3. Step 3: Cross multiply
    80,199.11x = 110,670.81 × 45,745.19
  4. Step 4: Simplify right side
    80,199.11x = 5,062,657,230.90
  5. Step 5: Solve for x
    x = 5,062,657,230.90/80,199.11
  6. Step 6: Final answer
    x = 63,126.10

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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.