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Finding the Fourth Proportional to 187,598.52, 258,884.01 and 101,556

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Solution

The fourth proportional to 187,598.52, 258,884.01 and 101,556 is: 140,146.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,598.52 : 258,884.01 = 101,556 : x
  2. Step 2: Convert to fraction form
    187,598.52/258,884.01 = 101,556/x
  3. Step 3: Cross multiply
    187,598.52x = 258,884.01 × 101,556
  4. Step 4: Simplify right side
    187,598.52x = 26,291,224,519.56
  5. Step 5: Solve for x
    x = 26,291,224,519.56/187,598.52
  6. Step 6: Final answer
    x = 140,146.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.