Home / 187,739.40-259,080.75-102,856.26

Finding the Fourth Proportional to 187,739.40, 259,080.75 and 102,856.26

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Solution

The fourth proportional to 187,739.40, 259,080.75 and 102,856.26 is: 141,941.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,739.40 : 259,080.75 = 102,856.26 : x
  2. Step 2: Convert to fraction form
    187,739.40/259,080.75 = 102,856.26/x
  3. Step 3: Cross multiply
    187,739.40x = 259,080.75 × 102,856.26
  4. Step 4: Simplify right side
    187,739.40x = 26,648,076,983.00
  5. Step 5: Solve for x
    x = 26,648,076,983.00/187,739.40
  6. Step 6: Final answer
    x = 141,941.85

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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.