Home / 133,391.80-184,096.56-76,814.20

Finding the Fourth Proportional to 133,391.80, 184,096.56 and 76,814.20

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Solution

The fourth proportional to 133,391.80, 184,096.56 and 76,814.20 is: 106,012.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,391.80 : 184,096.56 = 76,814.20 : x
  2. Step 2: Convert to fraction form
    133,391.80/184,096.56 = 76,814.20/x
  3. Step 3: Cross multiply
    133,391.80x = 184,096.56 × 76,814.20
  4. Step 4: Simplify right side
    133,391.80x = 14,141,229,979.15
  5. Step 5: Solve for x
    x = 14,141,229,979.15/133,391.80
  6. Step 6: Final answer
    x = 106,012.74

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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.