Home / 162,936.09-224,861.05-91,320.73

Finding the Fourth Proportional to 162,936.09, 224,861.05 and 91,320.73

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Solution

The fourth proportional to 162,936.09, 224,861.05 and 91,320.73 is: 126,027.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,936.09 : 224,861.05 = 91,320.73 : x
  2. Step 2: Convert to fraction form
    162,936.09/224,861.05 = 91,320.73/x
  3. Step 3: Cross multiply
    162,936.09x = 224,861.05 × 91,320.73
  4. Step 4: Simplify right side
    162,936.09x = 20,534,473,653.66
  5. Step 5: Solve for x
    x = 20,534,473,653.66/162,936.09
  6. Step 6: Final answer
    x = 126,027.78

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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.