Home / 133,549.26-184,318.66-76,188.72

Finding the Fourth Proportional to 133,549.26, 184,318.66 and 76,188.72

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Solution

The fourth proportional to 133,549.26, 184,318.66 and 76,188.72 is: 105,152.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,549.26 : 184,318.66 = 76,188.72 : x
  2. Step 2: Convert to fraction form
    133,549.26/184,318.66 = 76,188.72/x
  3. Step 3: Cross multiply
    133,549.26x = 184,318.66 × 76,188.72
  4. Step 4: Simplify right side
    133,549.26x = 14,043,002,777.52
  5. Step 5: Solve for x
    x = 14,043,002,777.52/133,549.26
  6. Step 6: Final answer
    x = 105,152.23

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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.