Home / 133,609.76-184,384.46-76,247.94

Finding the Fourth Proportional to 133,609.76, 184,384.46 and 76,247.94

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Solution

The fourth proportional to 133,609.76, 184,384.46 and 76,247.94 is: 105,223.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,609.76 : 184,384.46 = 76,247.94 : x
  2. Step 2: Convert to fraction form
    133,609.76/184,384.46 = 76,247.94/x
  3. Step 3: Cross multiply
    133,609.76x = 184,384.46 × 76,247.94
  4. Step 4: Simplify right side
    133,609.76x = 14,058,935,243.01
  5. Step 5: Solve for x
    x = 14,058,935,243.01/133,609.76
  6. Step 6: Final answer
    x = 105,223.86

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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.