Home / 108,610.20-162,915.30-98,768.70

Finding the Fourth Proportional to 108,610.20, 162,915.30 and 98,768.70

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Solution

The fourth proportional to 108,610.20, 162,915.30 and 98,768.70 is: 148,153.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,610.20 : 162,915.30 = 98,768.70 : x
  2. Step 2: Convert to fraction form
    108,610.20/162,915.30 = 98,768.70/x
  3. Step 3: Cross multiply
    108,610.20x = 162,915.30 × 98,768.70
  4. Step 4: Simplify right side
    108,610.20x = 16,090,932,391.11
  5. Step 5: Solve for x
    x = 16,090,932,391.11/108,610.20
  6. Step 6: Final answer
    x = 148,153.05

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1.5x scale

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.