Home / 246,220.66-339,779.73-138,788.65

Finding the Fourth Proportional to 246,220.66, 339,779.73 and 138,788.65

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Solution

The fourth proportional to 246,220.66, 339,779.73 and 138,788.65 is: 191,525.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,220.66 : 339,779.73 = 138,788.65 : x
  2. Step 2: Convert to fraction form
    246,220.66/339,779.73 = 138,788.65/x
  3. Step 3: Cross multiply
    246,220.66x = 339,779.73 × 138,788.65
  4. Step 4: Simplify right side
    246,220.66x = 47,157,570,024.06
  5. Step 5: Solve for x
    x = 47,157,570,024.06/246,220.66
  6. Step 6: Final answer
    x = 191,525.64

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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.