Home / 189,418.73-284,116.93-71,080.07

Finding the Fourth Proportional to 189,418.73, 284,116.93 and 71,080.07

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Solution

The fourth proportional to 189,418.73, 284,116.93 and 71,080.07 is: 106,615.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,418.73 : 284,116.93 = 71,080.07 : x
  2. Step 2: Convert to fraction form
    189,418.73/284,116.93 = 71,080.07/x
  3. Step 3: Cross multiply
    189,418.73x = 284,116.93 × 71,080.07
  4. Step 4: Simplify right side
    189,418.73x = 20,195,049,674.30
  5. Step 5: Solve for x
    x = 20,195,049,674.30/189,418.73
  6. Step 6: Final answer
    x = 106,615.91

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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.