Home / 177,146.10-265,751.55-71,975.70

Finding the Fourth Proportional to 177,146.10, 265,751.55 and 71,975.70

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Solution

The fourth proportional to 177,146.10, 265,751.55 and 71,975.70 is: 107,976.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,146.10 : 265,751.55 = 71,975.70 : x
  2. Step 2: Convert to fraction form
    177,146.10/265,751.55 = 71,975.70/x
  3. Step 3: Cross multiply
    177,146.10x = 265,751.55 × 71,975.70
  4. Step 4: Simplify right side
    177,146.10x = 19,127,653,837.34
  5. Step 5: Solve for x
    x = 19,127,653,837.34/177,146.10
  6. Step 6: Final answer
    x = 107,976.71

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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.