Home / 246,314.10-339,912.90-138,883.51

Finding the Fourth Proportional to 246,314.10, 339,912.90 and 138,883.51

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Solution

The fourth proportional to 246,314.10, 339,912.90 and 138,883.51 is: 191,658.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,314.10 : 339,912.90 = 138,883.51 : x
  2. Step 2: Convert to fraction form
    246,314.10/339,912.90 = 138,883.51/x
  3. Step 3: Cross multiply
    246,314.10x = 339,912.90 × 138,883.51
  4. Step 4: Simplify right side
    246,314.10x = 47,208,296,646.28
  5. Step 5: Solve for x
    x = 47,208,296,646.28/246,314.10
  6. Step 6: Final answer
    x = 191,658.93

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1.5x scale

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.