Home / 99,410.20-149,018.10-88,912.60

Finding the Fourth Proportional to 99,410.20, 149,018.10 and 88,912.60

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Solution

The fourth proportional to 99,410.20, 149,018.10 and 88,912.60 is: 133,281.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,410.20 : 149,018.10 = 88,912.60 : x
  2. Step 2: Convert to fraction form
    99,410.20/149,018.10 = 88,912.60/x
  3. Step 3: Cross multiply
    99,410.20x = 149,018.10 × 88,912.60
  4. Step 4: Simplify right side
    99,410.20x = 13,249,586,718.06
  5. Step 5: Solve for x
    x = 13,249,586,718.06/99,410.20
  6. Step 6: Final answer
    x = 133,281.96

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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.