Home / 115,232.20-172,994.10-61,966.60

Finding the Fourth Proportional to 115,232.20, 172,994.10 and 61,966.60

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Solution

The fourth proportional to 115,232.20, 172,994.10 and 61,966.60 is: 93,028.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,232.20 : 172,994.10 = 61,966.60 : x
  2. Step 2: Convert to fraction form
    115,232.20/172,994.10 = 61,966.60/x
  3. Step 3: Cross multiply
    115,232.20x = 172,994.10 × 61,966.60
  4. Step 4: Simplify right side
    115,232.20x = 10,719,856,197.06
  5. Step 5: Solve for x
    x = 10,719,856,197.06/115,232.20
  6. Step 6: Final answer
    x = 93,028.30

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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.