Home / 104,183.45-143,773.84-56,436.76

Finding the Fourth Proportional to 104,183.45, 143,773.84 and 56,436.76

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Solution

The fourth proportional to 104,183.45, 143,773.84 and 56,436.76 is: 77,883.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,183.45 : 143,773.84 = 56,436.76 : x
  2. Step 2: Convert to fraction form
    104,183.45/143,773.84 = 56,436.76/x
  3. Step 3: Cross multiply
    104,183.45x = 143,773.84 × 56,436.76
  4. Step 4: Simplify right side
    104,183.45x = 8,114,130,100.42
  5. Step 5: Solve for x
    x = 8,114,130,100.42/104,183.45
  6. Step 6: Final answer
    x = 77,883.10

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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.