Home / 140,010.96-193,210.92-76,350

Finding the Fourth Proportional to 140,010.96, 193,210.92 and 76,350

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Solution

The fourth proportional to 140,010.96, 193,210.92 and 76,350 is: 105,360.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,010.96 : 193,210.92 = 76,350 : x
  2. Step 2: Convert to fraction form
    140,010.96/193,210.92 = 76,350/x
  3. Step 3: Cross multiply
    140,010.96x = 193,210.92 × 76,350
  4. Step 4: Simplify right side
    140,010.96x = 14,751,653,742.00
  5. Step 5: Solve for x
    x = 14,751,653,742.00/140,010.96
  6. Step 6: Final answer
    x = 105,360.71

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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.