Home / 98,172.05-147,310.92-39,008.25

Finding the Fourth Proportional to 98,172.05, 147,310.92 and 39,008.25

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Solution

The fourth proportional to 98,172.05, 147,310.92 and 39,008.25 is: 58,533.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,172.05 : 147,310.92 = 39,008.25 : x
  2. Step 2: Convert to fraction form
    98,172.05/147,310.92 = 39,008.25/x
  3. Step 3: Cross multiply
    98,172.05x = 147,310.92 × 39,008.25
  4. Step 4: Simplify right side
    98,172.05x = 5,746,341,195.09
  5. Step 5: Solve for x
    x = 5,746,341,195.09/98,172.05
  6. Step 6: Final answer
    x = 58,533.38

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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.