Home / 187,777.02-259,138.26-102,899.28

Finding the Fourth Proportional to 187,777.02, 259,138.26 and 102,899.28

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Solution

The fourth proportional to 187,777.02, 259,138.26 and 102,899.28 is: 142,004.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,777.02 : 259,138.26 = 102,899.28 : x
  2. Step 2: Convert to fraction form
    187,777.02/259,138.26 = 102,899.28/x
  3. Step 3: Cross multiply
    187,777.02x = 259,138.26 × 102,899.28
  4. Step 4: Simplify right side
    187,777.02x = 26,665,140,374.45
  5. Step 5: Solve for x
    x = 26,665,140,374.45/187,777.02
  6. Step 6: Final answer
    x = 142,004.28

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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.