Home / 219,838.13-329,588.23-111,678.57

Finding the Fourth Proportional to 219,838.13, 329,588.23 and 111,678.57

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Solution

The fourth proportional to 219,838.13, 329,588.23 and 111,678.57 is: 167,432.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,838.13 : 329,588.23 = 111,678.57 : x
  2. Step 2: Convert to fraction form
    219,838.13/329,588.23 = 111,678.57/x
  3. Step 3: Cross multiply
    219,838.13x = 329,588.23 × 111,678.57
  4. Step 4: Simplify right side
    219,838.13x = 36,807,942,738.67
  5. Step 5: Solve for x
    x = 36,807,942,738.67/219,838.13
  6. Step 6: Final answer
    x = 167,432.02

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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.