Home / 103,847.24-143,309.10-56,100.56

Finding the Fourth Proportional to 103,847.24, 143,309.10 and 56,100.56

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Solution

The fourth proportional to 103,847.24, 143,309.10 and 56,100.56 is: 77,418.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,847.24 : 143,309.10 = 56,100.56 : x
  2. Step 2: Convert to fraction form
    103,847.24/143,309.10 = 56,100.56/x
  3. Step 3: Cross multiply
    103,847.24x = 143,309.10 × 56,100.56
  4. Step 4: Simplify right side
    103,847.24x = 8,039,720,763.10
  5. Step 5: Solve for x
    x = 8,039,720,763.10/103,847.24
  6. Step 6: Final answer
    x = 77,418.72

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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.