Home / 124,975.30-172,797.69-109,228.90

Finding the Fourth Proportional to 124,975.30, 172,797.69 and 109,228.90

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Solution

The fourth proportional to 124,975.30, 172,797.69 and 109,228.90 is: 151,025.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,975.30 : 172,797.69 = 109,228.90 : x
  2. Step 2: Convert to fraction form
    124,975.30/172,797.69 = 109,228.90/x
  3. Step 3: Cross multiply
    124,975.30x = 172,797.69 × 109,228.90
  4. Step 4: Simplify right side
    124,975.30x = 18,874,501,601.24
  5. Step 5: Solve for x
    x = 18,874,501,601.24/124,975.30
  6. Step 6: Final answer
    x = 151,025.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.