Home / 102,939.53-154,387.69-29,050.25

Finding the Fourth Proportional to 102,939.53, 154,387.69 and 29,050.25

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Solution

The fourth proportional to 102,939.53, 154,387.69 and 29,050.25 is: 43,569.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,939.53 : 154,387.69 = 29,050.25 : x
  2. Step 2: Convert to fraction form
    102,939.53/154,387.69 = 29,050.25/x
  3. Step 3: Cross multiply
    102,939.53x = 154,387.69 × 29,050.25
  4. Step 4: Simplify right side
    102,939.53x = 4,485,000,991.42
  5. Step 5: Solve for x
    x = 4,485,000,991.42/102,939.53
  6. Step 6: Final answer
    x = 43,569.28

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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.