Home / 98,680.10-148,021.98-32,120

Finding the Fourth Proportional to 98,680.10, 148,021.98 and 32,120

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Solution

The fourth proportional to 98,680.10, 148,021.98 and 32,120 is: 48,180.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,680.10 : 148,021.98 = 32,120 : x
  2. Step 2: Convert to fraction form
    98,680.10/148,021.98 = 32,120/x
  3. Step 3: Cross multiply
    98,680.10x = 148,021.98 × 32,120
  4. Step 4: Simplify right side
    98,680.10x = 4,754,465,997.60
  5. Step 5: Solve for x
    x = 4,754,465,997.60/98,680.10
  6. Step 6: Final answer
    x = 48,180.60

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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.