Home / 246,564.78-340,256.06-137,670.81

Finding the Fourth Proportional to 246,564.78, 340,256.06 and 137,670.81

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Solution

The fourth proportional to 246,564.78, 340,256.06 and 137,670.81 is: 189,983.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,564.78 : 340,256.06 = 137,670.81 : x
  2. Step 2: Convert to fraction form
    246,564.78/340,256.06 = 137,670.81/x
  3. Step 3: Cross multiply
    246,564.78x = 340,256.06 × 137,670.81
  4. Step 4: Simplify right side
    246,564.78x = 46,843,325,871.09
  5. Step 5: Solve for x
    x = 46,843,325,871.09/246,564.78
  6. Step 6: Final answer
    x = 189,983.85

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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.