Home / 219,960.10-329,721.45-101,424.70

Finding the Fourth Proportional to 219,960.10, 329,721.45 and 101,424.70

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Solution

The fourth proportional to 219,960.10, 329,721.45 and 101,424.70 is: 152,036.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,960.10 : 329,721.45 = 101,424.70 : x
  2. Step 2: Convert to fraction form
    219,960.10/329,721.45 = 101,424.70/x
  3. Step 3: Cross multiply
    219,960.10x = 329,721.45 × 101,424.70
  4. Step 4: Simplify right side
    219,960.10x = 33,441,899,149.82
  5. Step 5: Solve for x
    x = 33,441,899,149.82/219,960.10
  6. Step 6: Final answer
    x = 152,036.21

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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.