Home / 133,723.40-184,511-79,251.56

Finding the Fourth Proportional to 133,723.40, 184,511 and 79,251.56

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Solution

The fourth proportional to 133,723.40, 184,511 and 79,251.56 is: 109,350.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,723.40 : 184,511 = 79,251.56 : x
  2. Step 2: Convert to fraction form
    133,723.40/184,511 = 79,251.56/x
  3. Step 3: Cross multiply
    133,723.40x = 184,511 × 79,251.56
  4. Step 4: Simplify right side
    133,723.40x = 14,622,784,587.16
  5. Step 5: Solve for x
    x = 14,622,784,587.16/133,723.40
  6. Step 6: Final answer
    x = 109,350.98

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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.