Home / 239,814.13-330,945.83-132,381.85

Finding the Fourth Proportional to 239,814.13, 330,945.83 and 132,381.85

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Solution

The fourth proportional to 239,814.13, 330,945.83 and 132,381.85 is: 182,688.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,814.13 : 330,945.83 = 132,381.85 : x
  2. Step 2: Convert to fraction form
    239,814.13/330,945.83 = 132,381.85/x
  3. Step 3: Cross multiply
    239,814.13x = 330,945.83 × 132,381.85
  4. Step 4: Simplify right side
    239,814.13x = 43,811,221,225.19
  5. Step 5: Solve for x
    x = 43,811,221,225.19/239,814.13
  6. Step 6: Final answer
    x = 182,688.24

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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.