Home / 139,910.48-193,010.04-94,604.12

Finding the Fourth Proportional to 139,910.48, 193,010.04 and 94,604.12

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Solution

The fourth proportional to 139,910.48, 193,010.04 and 94,604.12 is: 130,508.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,910.48 : 193,010.04 = 94,604.12 : x
  2. Step 2: Convert to fraction form
    139,910.48/193,010.04 = 94,604.12/x
  3. Step 3: Cross multiply
    139,910.48x = 193,010.04 × 94,604.12
  4. Step 4: Simplify right side
    139,910.48x = 18,259,544,985.36
  5. Step 5: Solve for x
    x = 18,259,544,985.36/139,910.48
  6. Step 6: Final answer
    x = 130,508.77

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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.