Home / 140,988.60-194,497.20-84,389.04

Finding the Fourth Proportional to 140,988.60, 194,497.20 and 84,389.04

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Solution

The fourth proportional to 140,988.60, 194,497.20 and 84,389.04 is: 116,416.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,988.60 : 194,497.20 = 84,389.04 : x
  2. Step 2: Convert to fraction form
    140,988.60/194,497.20 = 84,389.04/x
  3. Step 3: Cross multiply
    140,988.60x = 194,497.20 × 84,389.04
  4. Step 4: Simplify right side
    140,988.60x = 16,413,431,990.69
  5. Step 5: Solve for x
    x = 16,413,431,990.69/140,988.60
  6. Step 6: Final answer
    x = 116,416.73

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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.