Home / 124,370.28-171,658.71-79,039.44

Finding the Fourth Proportional to 124,370.28, 171,658.71 and 79,039.44

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Solution

The fourth proportional to 124,370.28, 171,658.71 and 79,039.44 is: 109,092.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,370.28 : 171,658.71 = 79,039.44 : x
  2. Step 2: Convert to fraction form
    124,370.28/171,658.71 = 79,039.44/x
  3. Step 3: Cross multiply
    124,370.28x = 171,658.71 × 79,039.44
  4. Step 4: Simplify right side
    124,370.28x = 13,567,808,309.52
  5. Step 5: Solve for x
    x = 13,567,808,309.52/124,370.28
  6. Step 6: Final answer
    x = 109,092.05

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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.