Home / 104,558.88-144,291.84-56,812.62

Finding the Fourth Proportional to 104,558.88, 144,291.84 and 56,812.62

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Solution

The fourth proportional to 104,558.88, 144,291.84 and 56,812.62 is: 78,401.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,558.88 : 144,291.84 = 56,812.62 : x
  2. Step 2: Convert to fraction form
    104,558.88/144,291.84 = 56,812.62/x
  3. Step 3: Cross multiply
    104,558.88x = 144,291.84 × 56,812.62
  4. Step 4: Simplify right side
    104,558.88x = 8,197,597,475.02
  5. Step 5: Solve for x
    x = 8,197,597,475.02/104,558.88
  6. Step 6: Final answer
    x = 78,401.73

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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.