Home / 248,238.72-342,559.20-135,061.92

Finding the Fourth Proportional to 248,238.72, 342,559.20 and 135,061.92

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Solution

The fourth proportional to 248,238.72, 342,559.20 and 135,061.92 is: 186,379.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,238.72 : 342,559.20 = 135,061.92 : x
  2. Step 2: Convert to fraction form
    248,238.72/342,559.20 = 135,061.92/x
  3. Step 3: Cross multiply
    248,238.72x = 342,559.20 × 135,061.92
  4. Step 4: Simplify right side
    248,238.72x = 46,266,703,265.66
  5. Step 5: Solve for x
    x = 46,266,703,265.66/248,238.72
  6. Step 6: Final answer
    x = 186,379.88

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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.