Home / 189,457.92-261,472.32-141,629.04

Finding the Fourth Proportional to 189,457.92, 261,472.32 and 141,629.04

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Solution

The fourth proportional to 189,457.92, 261,472.32 and 141,629.04 is: 195,463.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,457.92 : 261,472.32 = 141,629.04 : x
  2. Step 2: Convert to fraction form
    189,457.92/261,472.32 = 141,629.04/x
  3. Step 3: Cross multiply
    189,457.92x = 261,472.32 × 141,629.04
  4. Step 4: Simplify right side
    189,457.92x = 37,032,073,668.17
  5. Step 5: Solve for x
    x = 37,032,073,668.17/189,457.92
  6. Step 6: Final answer
    x = 195,463.32

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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.