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Finding the Fourth Proportional to 176,786.29, 265,179.44 and 145,555.93

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Solution

The fourth proportional to 176,786.29, 265,179.44 and 145,555.93 is: 218,333.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,786.29 : 265,179.44 = 145,555.93 : x
  2. Step 2: Convert to fraction form
    176,786.29/265,179.44 = 145,555.93/x
  3. Step 3: Cross multiply
    176,786.29x = 265,179.44 × 145,555.93
  4. Step 4: Simplify right side
    176,786.29x = 38,598,440,006.08
  5. Step 5: Solve for x
    x = 38,598,440,006.08/176,786.29
  6. Step 6: Final answer
    x = 218,333.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.