Home / 246,947.36-340,787-133,770.56

Finding the Fourth Proportional to 246,947.36, 340,787 and 133,770.56

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Solution

The fourth proportional to 246,947.36, 340,787 and 133,770.56 is: 184,603.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,947.36 : 340,787 = 133,770.56 : x
  2. Step 2: Convert to fraction form
    246,947.36/340,787 = 133,770.56/x
  3. Step 3: Cross multiply
    246,947.36x = 340,787 × 133,770.56
  4. Step 4: Simplify right side
    246,947.36x = 45,587,267,830.72
  5. Step 5: Solve for x
    x = 45,587,267,830.72/246,947.36
  6. Step 6: Final answer
    x = 184,603.18

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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.