Home / 140,369.64-193,710.62-76,707.44

Finding the Fourth Proportional to 140,369.64, 193,710.62 and 76,707.44

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Solution

The fourth proportional to 140,369.64, 193,710.62 and 76,707.44 is: 105,856.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,369.64 : 193,710.62 = 76,707.44 : x
  2. Step 2: Convert to fraction form
    140,369.64/193,710.62 = 76,707.44/x
  3. Step 3: Cross multiply
    140,369.64x = 193,710.62 × 76,707.44
  4. Step 4: Simplify right side
    140,369.64x = 14,859,045,761.01
  5. Step 5: Solve for x
    x = 14,859,045,761.01/140,369.64
  6. Step 6: Final answer
    x = 105,856.55

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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.