Home / 104,520.97-144,241.62-56,777.05

Finding the Fourth Proportional to 104,520.97, 144,241.62 and 56,777.05

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Solution

The fourth proportional to 104,520.97, 144,241.62 and 56,777.05 is: 78,353.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,520.97 : 144,241.62 = 56,777.05 : x
  2. Step 2: Convert to fraction form
    104,520.97/144,241.62 = 56,777.05/x
  3. Step 3: Cross multiply
    104,520.97x = 144,241.62 × 56,777.05
  4. Step 4: Simplify right side
    104,520.97x = 8,189,613,741.79
  5. Step 5: Solve for x
    x = 8,189,613,741.79/104,520.97
  6. Step 6: Final answer
    x = 78,353.79

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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.