Home / 140,956.48-194,518.29-77,293.72

Finding the Fourth Proportional to 140,956.48, 194,518.29 and 77,293.72

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Solution

The fourth proportional to 140,956.48, 194,518.29 and 77,293.72 is: 106,664.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,956.48 : 194,518.29 = 77,293.72 : x
  2. Step 2: Convert to fraction form
    140,956.48/194,518.29 = 77,293.72/x
  3. Step 3: Cross multiply
    140,956.48x = 194,518.29 × 77,293.72
  4. Step 4: Simplify right side
    140,956.48x = 15,035,042,242.14
  5. Step 5: Solve for x
    x = 15,035,042,242.14/140,956.48
  6. Step 6: Final answer
    x = 106,664.43

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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.