Home / 159,326.21-219,872.94-91,354.25

Finding the Fourth Proportional to 159,326.21, 219,872.94 and 91,354.25

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Solution

The fourth proportional to 159,326.21, 219,872.94 and 91,354.25 is: 126,070.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,326.21 : 219,872.94 = 91,354.25 : x
  2. Step 2: Convert to fraction form
    159,326.21/219,872.94 = 91,354.25/x
  3. Step 3: Cross multiply
    159,326.21x = 219,872.94 × 91,354.25
  4. Step 4: Simplify right side
    159,326.21x = 20,086,327,529.00
  5. Step 5: Solve for x
    x = 20,086,327,529.00/159,326.21
  6. Step 6: Final answer
    x = 126,070.45

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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.