Home / 198,972.84-298,459.32-58,720.56

Finding the Fourth Proportional to 198,972.84, 298,459.32 and 58,720.56

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Solution

The fourth proportional to 198,972.84, 298,459.32 and 58,720.56 is: 88,080.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,972.84 : 298,459.32 = 58,720.56 : x
  2. Step 2: Convert to fraction form
    198,972.84/298,459.32 = 58,720.56/x
  3. Step 3: Cross multiply
    198,972.84x = 298,459.32 × 58,720.56
  4. Step 4: Simplify right side
    198,972.84x = 17,525,698,407.62
  5. Step 5: Solve for x
    x = 17,525,698,407.62/198,972.84
  6. Step 6: Final answer
    x = 88,080.86

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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.