Home / 140,287.09-193,596.21-76,625.04

Finding the Fourth Proportional to 140,287.09, 193,596.21 and 76,625.04

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Solution

The fourth proportional to 140,287.09, 193,596.21 and 76,625.04 is: 105,742.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,287.09 : 193,596.21 = 76,625.04 : x
  2. Step 2: Convert to fraction form
    140,287.09/193,596.21 = 76,625.04/x
  3. Step 3: Cross multiply
    140,287.09x = 193,596.21 × 76,625.04
  4. Step 4: Simplify right side
    140,287.09x = 14,834,317,335.10
  5. Step 5: Solve for x
    x = 14,834,317,335.10/140,287.09
  6. Step 6: Final answer
    x = 105,742.57

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1.5x scale

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.