Home / 133,541.36-184,287.24-76,951.28

Finding the Fourth Proportional to 133,541.36, 184,287.24 and 76,951.28

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Solution

The fourth proportional to 133,541.36, 184,287.24 and 76,951.28 is: 106,192.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,541.36 : 184,287.24 = 76,951.28 : x
  2. Step 2: Convert to fraction form
    133,541.36/184,287.24 = 76,951.28/x
  3. Step 3: Cross multiply
    133,541.36x = 184,287.24 × 76,951.28
  4. Step 4: Simplify right side
    133,541.36x = 14,181,139,005.67
  5. Step 5: Solve for x
    x = 14,181,139,005.67/133,541.36
  6. Step 6: Final answer
    x = 106,192.86

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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.