Home / 219,927.88-329,730.32-70,081.92

Finding the Fourth Proportional to 219,927.88, 329,730.32 and 70,081.92

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Solution

The fourth proportional to 219,927.88, 329,730.32 and 70,081.92 is: 105,071.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,927.88 : 329,730.32 = 70,081.92 : x
  2. Step 2: Convert to fraction form
    219,927.88/329,730.32 = 70,081.92/x
  3. Step 3: Cross multiply
    219,927.88x = 329,730.32 × 70,081.92
  4. Step 4: Simplify right side
    219,927.88x = 23,108,133,907.81
  5. Step 5: Solve for x
    x = 23,108,133,907.81/219,927.88
  6. Step 6: Final answer
    x = 105,071.42

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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.