Home / 108,621.60-162,932.40-100,748.40

Finding the Fourth Proportional to 108,621.60, 162,932.40 and 100,748.40

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Solution

The fourth proportional to 108,621.60, 162,932.40 and 100,748.40 is: 151,122.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,621.60 : 162,932.40 = 100,748.40 : x
  2. Step 2: Convert to fraction form
    108,621.60/162,932.40 = 100,748.40/x
  3. Step 3: Cross multiply
    108,621.60x = 162,932.40 × 100,748.40
  4. Step 4: Simplify right side
    108,621.60x = 16,415,178,608.16
  5. Step 5: Solve for x
    x = 16,415,178,608.16/108,621.60
  6. Step 6: Final answer
    x = 151,122.60

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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.