Home / 219,966.06-329,945.04-70,205.16

Finding the Fourth Proportional to 219,966.06, 329,945.04 and 70,205.16

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Solution

The fourth proportional to 219,966.06, 329,945.04 and 70,205.16 is: 105,306.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,966.06 : 329,945.04 = 70,205.16 : x
  2. Step 2: Convert to fraction form
    219,966.06/329,945.04 = 70,205.16/x
  3. Step 3: Cross multiply
    219,966.06x = 329,945.04 × 70,205.16
  4. Step 4: Simplify right side
    219,966.06x = 23,163,844,324.41
  5. Step 5: Solve for x
    x = 23,163,844,324.41/219,966.06
  6. Step 6: Final answer
    x = 105,306.45

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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.