Home / 99,750.20-149,625.30-98,000.60

Finding the Fourth Proportional to 99,750.20, 149,625.30 and 98,000.60

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Solution

The fourth proportional to 99,750.20, 149,625.30 and 98,000.60 is: 147,000.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,750.20 : 149,625.30 = 98,000.60 : x
  2. Step 2: Convert to fraction form
    99,750.20/149,625.30 = 98,000.60/x
  3. Step 3: Cross multiply
    99,750.20x = 149,625.30 × 98,000.60
  4. Step 4: Simplify right side
    99,750.20x = 14,663,369,175.18
  5. Step 5: Solve for x
    x = 14,663,369,175.18/99,750.20
  6. Step 6: Final answer
    x = 147,000.90

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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.