Home / 141,644.46-195,470.10-77,982.30

Finding the Fourth Proportional to 141,644.46, 195,470.10 and 77,982.30

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Solution

The fourth proportional to 141,644.46, 195,470.10 and 77,982.30 is: 107,615.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,644.46 : 195,470.10 = 77,982.30 : x
  2. Step 2: Convert to fraction form
    141,644.46/195,470.10 = 77,982.30/x
  3. Step 3: Cross multiply
    141,644.46x = 195,470.10 × 77,982.30
  4. Step 4: Simplify right side
    141,644.46x = 15,243,207,979.23
  5. Step 5: Solve for x
    x = 15,243,207,979.23/141,644.46
  6. Step 6: Final answer
    x = 107,615.98

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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.