Home / 187,977.55-259,425.43-103,111.02

Finding the Fourth Proportional to 187,977.55, 259,425.43 and 103,111.02

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Solution

The fourth proportional to 187,977.55, 259,425.43 and 103,111.02 is: 142,302.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,977.55 : 259,425.43 = 103,111.02 : x
  2. Step 2: Convert to fraction form
    187,977.55/259,425.43 = 103,111.02/x
  3. Step 3: Cross multiply
    187,977.55x = 259,425.43 × 103,111.02
  4. Step 4: Simplify right side
    187,977.55x = 26,749,618,888.56
  5. Step 5: Solve for x
    x = 26,749,618,888.56/187,977.55
  6. Step 6: Final answer
    x = 142,302.20

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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.