Home / 177,379.89-265,972.23-121,283.34

Finding the Fourth Proportional to 177,379.89, 265,972.23 and 121,283.34

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Solution

The fourth proportional to 177,379.89, 265,972.23 and 121,283.34 is: 181,858.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,379.89 : 265,972.23 = 121,283.34 : x
  2. Step 2: Convert to fraction form
    177,379.89/265,972.23 = 121,283.34/x
  3. Step 3: Cross multiply
    177,379.89x = 265,972.23 × 121,283.34
  4. Step 4: Simplify right side
    177,379.89x = 32,258,000,401.65
  5. Step 5: Solve for x
    x = 32,258,000,401.65/177,379.89
  6. Step 6: Final answer
    x = 181,858.27

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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.