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Finding the Fourth Proportional to 133,776.88, 184,566.27 and 76,374.88

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Solution

The fourth proportional to 133,776.88, 184,566.27 and 76,374.88 is: 105,371.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,776.88 : 184,566.27 = 76,374.88 : x
  2. Step 2: Convert to fraction form
    133,776.88/184,566.27 = 76,374.88/x
  3. Step 3: Cross multiply
    133,776.88x = 184,566.27 × 76,374.88
  4. Step 4: Simplify right side
    133,776.88x = 14,096,226,723.30
  5. Step 5: Solve for x
    x = 14,096,226,723.30/133,776.88
  6. Step 6: Final answer
    x = 105,371.17

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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.