Home / 167,621.99-251,379.59-55,281.20

Finding the Fourth Proportional to 167,621.99, 251,379.59 and 55,281.20

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Solution

The fourth proportional to 167,621.99, 251,379.59 and 55,281.20 is: 82,904.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,621.99 : 251,379.59 = 55,281.20 : x
  2. Step 2: Convert to fraction form
    167,621.99/251,379.59 = 55,281.20/x
  3. Step 3: Cross multiply
    167,621.99x = 251,379.59 × 55,281.20
  4. Step 4: Simplify right side
    167,621.99x = 13,896,563,857.40
  5. Step 5: Solve for x
    x = 13,896,563,857.40/167,621.99
  6. Step 6: Final answer
    x = 82,904.18

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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.