Home / 163,542.11-245,408.33-68,765.42

Finding the Fourth Proportional to 163,542.11, 245,408.33 and 68,765.42

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Solution

The fourth proportional to 163,542.11, 245,408.33 and 68,765.42 is: 103,188.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,542.11 : 245,408.33 = 68,765.42 : x
  2. Step 2: Convert to fraction form
    163,542.11/245,408.33 = 68,765.42/x
  3. Step 3: Cross multiply
    163,542.11x = 245,408.33 × 68,765.42
  4. Step 4: Simplify right side
    163,542.11x = 16,875,607,669.38
  5. Step 5: Solve for x
    x = 16,875,607,669.38/163,542.11
  6. Step 6: Final answer
    x = 103,188.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.