Home / 98,916.80-148,375.20-48,977.60

Finding the Fourth Proportional to 98,916.80, 148,375.20 and 48,977.60

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Solution

The fourth proportional to 98,916.80, 148,375.20 and 48,977.60 is: 73,466.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,916.80 : 148,375.20 = 48,977.60 : x
  2. Step 2: Convert to fraction form
    98,916.80/148,375.20 = 48,977.60/x
  3. Step 3: Cross multiply
    98,916.80x = 148,375.20 × 48,977.60
  4. Step 4: Simplify right side
    98,916.80x = 7,267,061,195.52
  5. Step 5: Solve for x
    x = 7,267,061,195.52/98,916.80
  6. Step 6: Final answer
    x = 73,466.40

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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.