Home / 140,369.22-193,712.31-76,710.96

Finding the Fourth Proportional to 140,369.22, 193,712.31 and 76,710.96

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Solution

The fourth proportional to 140,369.22, 193,712.31 and 76,710.96 is: 105,862.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,369.22 : 193,712.31 = 76,710.96 : x
  2. Step 2: Convert to fraction form
    140,369.22/193,712.31 = 76,710.96/x
  3. Step 3: Cross multiply
    140,369.22x = 193,712.31 × 76,710.96
  4. Step 4: Simplify right side
    140,369.22x = 14,859,857,263.92
  5. Step 5: Solve for x
    x = 14,859,857,263.92/140,369.22
  6. Step 6: Final answer
    x = 105,862.65

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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.