Home / 124,976.68-172,311.38-104,309.85

Finding the Fourth Proportional to 124,976.68, 172,311.38 and 104,309.85

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Solution

The fourth proportional to 124,976.68, 172,311.38 and 104,309.85 is: 143,817.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,976.68 : 172,311.38 = 104,309.85 : x
  2. Step 2: Convert to fraction form
    124,976.68/172,311.38 = 104,309.85/x
  3. Step 3: Cross multiply
    124,976.68x = 172,311.38 × 104,309.85
  4. Step 4: Simplify right side
    124,976.68x = 17,973,772,817.99
  5. Step 5: Solve for x
    x = 17,973,772,817.99/124,976.68
  6. Step 6: Final answer
    x = 143,817.01

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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.