Home / 133,623.48-184,349.08-76,266

Finding the Fourth Proportional to 133,623.48, 184,349.08 and 76,266

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Solution

The fourth proportional to 133,623.48, 184,349.08 and 76,266 is: 105,217.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,623.48 : 184,349.08 = 76,266 : x
  2. Step 2: Convert to fraction form
    133,623.48/184,349.08 = 76,266/x
  3. Step 3: Cross multiply
    133,623.48x = 184,349.08 × 76,266
  4. Step 4: Simplify right side
    133,623.48x = 14,059,566,935.28
  5. Step 5: Solve for x
    x = 14,059,566,935.28/133,623.48
  6. Step 6: Final answer
    x = 105,217.79

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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.