Home / 177,100.13-265,505.43-82,389.35

Finding the Fourth Proportional to 177,100.13, 265,505.43 and 82,389.35

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Solution

The fourth proportional to 177,100.13, 265,505.43 and 82,389.35 is: 123,516.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,100.13 : 265,505.43 = 82,389.35 : x
  2. Step 2: Convert to fraction form
    177,100.13/265,505.43 = 82,389.35/x
  3. Step 3: Cross multiply
    177,100.13x = 265,505.43 × 82,389.35
  4. Step 4: Simplify right side
    177,100.13x = 21,874,819,799.17
  5. Step 5: Solve for x
    x = 21,874,819,799.17/177,100.13
  6. Step 6: Final answer
    x = 123,516.68

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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.