Home / 102,170.44-140,991.67-56,225.80

Finding the Fourth Proportional to 102,170.44, 140,991.67 and 56,225.80

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Solution

The fourth proportional to 102,170.44, 140,991.67 and 56,225.80 is: 77,589.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,170.44 : 140,991.67 = 56,225.80 : x
  2. Step 2: Convert to fraction form
    102,170.44/140,991.67 = 56,225.80/x
  3. Step 3: Cross multiply
    102,170.44x = 140,991.67 × 56,225.80
  4. Step 4: Simplify right side
    102,170.44x = 7,927,369,439.09
  5. Step 5: Solve for x
    x = 7,927,369,439.09/102,170.44
  6. Step 6: Final answer
    x = 77,589.66

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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.