Home / 100,725.12-151,087.68-34,165.44

Finding the Fourth Proportional to 100,725.12, 151,087.68 and 34,165.44

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Solution

The fourth proportional to 100,725.12, 151,087.68 and 34,165.44 is: 51,248.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,725.12 : 151,087.68 = 34,165.44 : x
  2. Step 2: Convert to fraction form
    100,725.12/151,087.68 = 34,165.44/x
  3. Step 3: Cross multiply
    100,725.12x = 151,087.68 × 34,165.44
  4. Step 4: Simplify right side
    100,725.12x = 5,161,977,065.78
  5. Step 5: Solve for x
    x = 5,161,977,065.78/100,725.12
  6. Step 6: Final answer
    x = 51,248.16

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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.