Home / 177,131.56-265,749.10-57,185.70

Finding the Fourth Proportional to 177,131.56, 265,749.10 and 57,185.70

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Solution

The fourth proportional to 177,131.56, 265,749.10 and 57,185.70 is: 85,795.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,131.56 : 265,749.10 = 57,185.70 : x
  2. Step 2: Convert to fraction form
    177,131.56/265,749.10 = 57,185.70/x
  3. Step 3: Cross multiply
    177,131.56x = 265,749.10 × 57,185.70
  4. Step 4: Simplify right side
    177,131.56x = 15,197,048,307.87
  5. Step 5: Solve for x
    x = 15,197,048,307.87/177,131.56
  6. Step 6: Final answer
    x = 85,795.26

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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.