Home / 124,920.90-187,081.10-71,450.84

Finding the Fourth Proportional to 124,920.90, 187,081.10 and 71,450.84

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Solution

The fourth proportional to 124,920.90, 187,081.10 and 71,450.84 is: 107,004.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,920.90 : 187,081.10 = 71,450.84 : x
  2. Step 2: Convert to fraction form
    124,920.90/187,081.10 = 71,450.84/x
  3. Step 3: Cross multiply
    124,920.90x = 187,081.10 × 71,450.84
  4. Step 4: Simplify right side
    124,920.90x = 13,367,101,743.12
  5. Step 5: Solve for x
    x = 13,367,101,743.12/124,920.90
  6. Step 6: Final answer
    x = 107,004.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.