Home / 106,987.08-160,467.66-54,434.28

Finding the Fourth Proportional to 106,987.08, 160,467.66 and 54,434.28

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Solution

The fourth proportional to 106,987.08, 160,467.66 and 54,434.28 is: 81,644.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,987.08 : 160,467.66 = 54,434.28 : x
  2. Step 2: Convert to fraction form
    106,987.08/160,467.66 = 54,434.28/x
  3. Step 3: Cross multiply
    106,987.08x = 160,467.66 × 54,434.28
  4. Step 4: Simplify right side
    106,987.08x = 8,734,941,535.38
  5. Step 5: Solve for x
    x = 8,734,941,535.38/106,987.08
  6. Step 6: Final answer
    x = 81,644.83

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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.