Home / 189,827.65-262,028.12-109,287.27

Finding the Fourth Proportional to 189,827.65, 262,028.12 and 109,287.27

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Solution

The fourth proportional to 189,827.65, 262,028.12 and 109,287.27 is: 150,854.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,827.65 : 262,028.12 = 109,287.27 : x
  2. Step 2: Convert to fraction form
    189,827.65/262,028.12 = 109,287.27/x
  3. Step 3: Cross multiply
    189,827.65x = 262,028.12 × 109,287.27
  4. Step 4: Simplify right side
    189,827.65x = 28,636,337,898.03
  5. Step 5: Solve for x
    x = 28,636,337,898.03/189,827.65
  6. Step 6: Final answer
    x = 150,854.41

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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.