Home / 173,855.40-260,783.10-85,122.60

Finding the Fourth Proportional to 173,855.40, 260,783.10 and 85,122.60

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Solution

The fourth proportional to 173,855.40, 260,783.10 and 85,122.60 is: 127,683.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,855.40 : 260,783.10 = 85,122.60 : x
  2. Step 2: Convert to fraction form
    173,855.40/260,783.10 = 85,122.60/x
  3. Step 3: Cross multiply
    173,855.40x = 260,783.10 × 85,122.60
  4. Step 4: Simplify right side
    173,855.40x = 22,198,535,508.06
  5. Step 5: Solve for x
    x = 22,198,535,508.06/173,855.40
  6. Step 6: Final answer
    x = 127,683.90

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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.