Home / 98,172.06-147,301.83-51,414

Finding the Fourth Proportional to 98,172.06, 147,301.83 and 51,414

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Solution

The fourth proportional to 98,172.06, 147,301.83 and 51,414 is: 77,143.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,172.06 : 147,301.83 = 51,414 : x
  2. Step 2: Convert to fraction form
    98,172.06/147,301.83 = 51,414/x
  3. Step 3: Cross multiply
    98,172.06x = 147,301.83 × 51,414
  4. Step 4: Simplify right side
    98,172.06x = 7,573,376,287.62
  5. Step 5: Solve for x
    x = 7,573,376,287.62/98,172.06
  6. Step 6: Final answer
    x = 77,143.91

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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.