Home / 117,420.12-176,151.24-55,089

Finding the Fourth Proportional to 117,420.12, 176,151.24 and 55,089

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Solution

The fourth proportional to 117,420.12, 176,151.24 and 55,089 is: 82,643.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,420.12 : 176,151.24 = 55,089 : x
  2. Step 2: Convert to fraction form
    117,420.12/176,151.24 = 55,089/x
  3. Step 3: Cross multiply
    117,420.12x = 176,151.24 × 55,089
  4. Step 4: Simplify right side
    117,420.12x = 9,703,995,660.36
  5. Step 5: Solve for x
    x = 9,703,995,660.36/117,420.12
  6. Step 6: Final answer
    x = 82,643.38

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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.