Home / 140,032.96-193,247.04-76,370.56

Finding the Fourth Proportional to 140,032.96, 193,247.04 and 76,370.56

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Solution

The fourth proportional to 140,032.96, 193,247.04 and 76,370.56 is: 105,392.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,032.96 : 193,247.04 = 76,370.56 : x
  2. Step 2: Convert to fraction form
    140,032.96/193,247.04 = 76,370.56/x
  3. Step 3: Cross multiply
    140,032.96x = 193,247.04 × 76,370.56
  4. Step 4: Simplify right side
    140,032.96x = 14,758,384,663.14
  5. Step 5: Solve for x
    x = 14,758,384,663.14/140,032.96
  6. Step 6: Final answer
    x = 105,392.22

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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.