Home / 124,408.17-170,309.72-123,518.79

Finding the Fourth Proportional to 124,408.17, 170,309.72 and 123,518.79

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Solution

The fourth proportional to 124,408.17, 170,309.72 and 123,518.79 is: 169,092.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,408.17 : 170,309.72 = 123,518.79 : x
  2. Step 2: Convert to fraction form
    124,408.17/170,309.72 = 123,518.79/x
  3. Step 3: Cross multiply
    124,408.17x = 170,309.72 × 123,518.79
  4. Step 4: Simplify right side
    124,408.17x = 21,036,450,848.44
  5. Step 5: Solve for x
    x = 21,036,450,848.44/124,408.17
  6. Step 6: Final answer
    x = 169,092.20

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.