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Finding the Fourth Proportional to 177,937.96, 266,735.44 and 65,556.72

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Solution

The fourth proportional to 177,937.96, 266,735.44 and 65,556.72 is: 98,271.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,937.96 : 266,735.44 = 65,556.72 : x
  2. Step 2: Convert to fraction form
    177,937.96/266,735.44 = 65,556.72/x
  3. Step 3: Cross multiply
    177,937.96x = 266,735.44 × 65,556.72
  4. Step 4: Simplify right side
    177,937.96x = 17,486,300,554.16
  5. Step 5: Solve for x
    x = 17,486,300,554.16/177,937.96
  6. Step 6: Final answer
    x = 98,271.90

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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.