Home / 108,004.20-161,787.60-61,202.40

Finding the Fourth Proportional to 108,004.20, 161,787.60 and 61,202.40

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Solution

The fourth proportional to 108,004.20, 161,787.60 and 61,202.40 is: 91,679.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,004.20 : 161,787.60 = 61,202.40 : x
  2. Step 2: Convert to fraction form
    108,004.20/161,787.60 = 61,202.40/x
  3. Step 3: Cross multiply
    108,004.20x = 161,787.60 × 61,202.40
  4. Step 4: Simplify right side
    108,004.20x = 9,901,789,410.24
  5. Step 5: Solve for x
    x = 9,901,789,410.24/108,004.20
  6. Step 6: Final answer
    x = 91,679.67

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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.