Home / 187,977.30-259,408.98-103,094.88

Finding the Fourth Proportional to 187,977.30, 259,408.98 and 103,094.88

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Solution

The fourth proportional to 187,977.30, 259,408.98 and 103,094.88 is: 142,271.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,977.30 : 259,408.98 = 103,094.88 : x
  2. Step 2: Convert to fraction form
    187,977.30/259,408.98 = 103,094.88/x
  3. Step 3: Cross multiply
    187,977.30x = 259,408.98 × 103,094.88
  4. Step 4: Simplify right side
    187,977.30x = 26,743,737,664.02
  5. Step 5: Solve for x
    x = 26,743,737,664.02/187,977.30
  6. Step 6: Final answer
    x = 142,271.10

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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.