Home / 247,083.12-340,974.66-133,905.87

Finding the Fourth Proportional to 247,083.12, 340,974.66 and 133,905.87

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Solution

The fourth proportional to 247,083.12, 340,974.66 and 133,905.87 is: 184,790.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,083.12 : 340,974.66 = 133,905.87 : x
  2. Step 2: Convert to fraction form
    247,083.12/340,974.66 = 133,905.87/x
  3. Step 3: Cross multiply
    247,083.12x = 340,974.66 × 133,905.87
  4. Step 4: Simplify right side
    247,083.12x = 45,658,508,495.25
  5. Step 5: Solve for x
    x = 45,658,508,495.25/247,083.12
  6. Step 6: Final answer
    x = 184,790.08

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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.