Home / 99,237.20-149,028.60-52,581.20

Finding the Fourth Proportional to 99,237.20, 149,028.60 and 52,581.20

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Solution

The fourth proportional to 99,237.20, 149,028.60 and 52,581.20 is: 78,963.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,237.20 : 149,028.60 = 52,581.20 : x
  2. Step 2: Convert to fraction form
    99,237.20/149,028.60 = 52,581.20/x
  3. Step 3: Cross multiply
    99,237.20x = 149,028.60 × 52,581.20
  4. Step 4: Simplify right side
    99,237.20x = 7,836,102,622.32
  5. Step 5: Solve for x
    x = 7,836,102,622.32/99,237.20
  6. Step 6: Final answer
    x = 78,963.36

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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.