Home / 219,972.06-329,954.04-70,211.16

Finding the Fourth Proportional to 219,972.06, 329,954.04 and 70,211.16

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Solution

The fourth proportional to 219,972.06, 329,954.04 and 70,211.16 is: 105,315.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,972.06 : 329,954.04 = 70,211.16 : x
  2. Step 2: Convert to fraction form
    219,972.06/329,954.04 = 70,211.16/x
  3. Step 3: Cross multiply
    219,972.06x = 329,954.04 × 70,211.16
  4. Step 4: Simplify right side
    219,972.06x = 23,166,455,895.09
  5. Step 5: Solve for x
    x = 23,166,455,895.09/219,972.06
  6. Step 6: Final answer
    x = 105,315.45

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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.