Home / 219,951.95-329,933.64-70,192.04

Finding the Fourth Proportional to 219,951.95, 329,933.64 and 70,192.04

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Solution

The fourth proportional to 219,951.95, 329,933.64 and 70,192.04 is: 105,289.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,951.95 : 329,933.64 = 70,192.04 : x
  2. Step 2: Convert to fraction form
    219,951.95/329,933.64 = 70,192.04/x
  3. Step 3: Cross multiply
    219,951.95x = 329,933.64 × 70,192.04
  4. Step 4: Simplify right side
    219,951.95x = 23,158,713,869.78
  5. Step 5: Solve for x
    x = 23,158,713,869.78/219,951.95
  6. Step 6: Final answer
    x = 105,289.88

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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.