Home / 99,788.16-149,706.17-33,228.90

Finding the Fourth Proportional to 99,788.16, 149,706.17 and 33,228.90

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Solution

The fourth proportional to 99,788.16, 149,706.17 and 33,228.90 is: 49,851.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,788.16 : 149,706.17 = 33,228.90 : x
  2. Step 2: Convert to fraction form
    99,788.16/149,706.17 = 33,228.90/x
  3. Step 3: Cross multiply
    99,788.16x = 149,706.17 × 33,228.90
  4. Step 4: Simplify right side
    99,788.16x = 4,974,571,186.17
  5. Step 5: Solve for x
    x = 4,974,571,186.17/99,788.16
  6. Step 6: Final answer
    x = 49,851.32

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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.