Home / 133,034.34-183,579.96-75,665.88

Finding the Fourth Proportional to 133,034.34, 183,579.96 and 75,665.88

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Solution

The fourth proportional to 133,034.34, 183,579.96 and 75,665.88 is: 104,414.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,034.34 : 183,579.96 = 75,665.88 : x
  2. Step 2: Convert to fraction form
    133,034.34/183,579.96 = 75,665.88/x
  3. Step 3: Cross multiply
    133,034.34x = 183,579.96 × 75,665.88
  4. Step 4: Simplify right side
    133,034.34x = 13,890,739,223.76
  5. Step 5: Solve for x
    x = 13,890,739,223.76/133,034.34
  6. Step 6: Final answer
    x = 104,414.69

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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.