Home / 114,120.12-171,253.62-61,565.88

Finding the Fourth Proportional to 114,120.12, 171,253.62 and 61,565.88

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Solution

The fourth proportional to 114,120.12, 171,253.62 and 61,565.88 is: 92,388.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,120.12 : 171,253.62 = 61,565.88 : x
  2. Step 2: Convert to fraction form
    114,120.12/171,253.62 = 61,565.88/x
  3. Step 3: Cross multiply
    114,120.12x = 171,253.62 × 61,565.88
  4. Step 4: Simplify right side
    114,120.12x = 10,543,379,818.49
  5. Step 5: Solve for x
    x = 10,543,379,818.49/114,120.12
  6. Step 6: Final answer
    x = 92,388.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.