Home / 124,370.22-171,582.09-76,540.53

Finding the Fourth Proportional to 124,370.22, 171,582.09 and 76,540.53

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Solution

The fourth proportional to 124,370.22, 171,582.09 and 76,540.53 is: 105,595.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,370.22 : 171,582.09 = 76,540.53 : x
  2. Step 2: Convert to fraction form
    124,370.22/171,582.09 = 76,540.53/x
  3. Step 3: Cross multiply
    124,370.22x = 171,582.09 × 76,540.53
  4. Step 4: Simplify right side
    124,370.22x = 13,132,984,107.11
  5. Step 5: Solve for x
    x = 13,132,984,107.11/124,370.22
  6. Step 6: Final answer
    x = 105,595.89

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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.