Home / 124,370.56-171,659.06-79,039.69

Finding the Fourth Proportional to 124,370.56, 171,659.06 and 79,039.69

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Solution

The fourth proportional to 124,370.56, 171,659.06 and 79,039.69 is: 109,092.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,370.56 : 171,659.06 = 79,039.69 : x
  2. Step 2: Convert to fraction form
    124,370.56/171,659.06 = 79,039.69/x
  3. Step 3: Cross multiply
    124,370.56x = 171,659.06 × 79,039.69
  4. Step 4: Simplify right side
    124,370.56x = 13,567,878,888.09
  5. Step 5: Solve for x
    x = 13,567,878,888.09/124,370.56
  6. Step 6: Final answer
    x = 109,092.37

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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.