Home / 189,385.03-261,351.04-104,502.02

Finding the Fourth Proportional to 189,385.03, 261,351.04 and 104,502.02

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Solution

The fourth proportional to 189,385.03, 261,351.04 and 104,502.02 is: 144,212.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,385.03 : 261,351.04 = 104,502.02 : x
  2. Step 2: Convert to fraction form
    189,385.03/261,351.04 = 104,502.02/x
  3. Step 3: Cross multiply
    189,385.03x = 261,351.04 × 104,502.02
  4. Step 4: Simplify right side
    189,385.03x = 27,311,711,609.10
  5. Step 5: Solve for x
    x = 27,311,711,609.10/189,385.03
  6. Step 6: Final answer
    x = 144,212.62

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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.