Home / 135,692.30-187,247.72-75,258.60

Finding the Fourth Proportional to 135,692.30, 187,247.72 and 75,258.60

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Solution

The fourth proportional to 135,692.30, 187,247.72 and 75,258.60 is: 103,852.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,692.30 : 187,247.72 = 75,258.60 : x
  2. Step 2: Convert to fraction form
    135,692.30/187,247.72 = 75,258.60/x
  3. Step 3: Cross multiply
    135,692.30x = 187,247.72 × 75,258.60
  4. Step 4: Simplify right side
    135,692.30x = 14,092,000,884.10
  5. Step 5: Solve for x
    x = 14,092,000,884.10/135,692.30
  6. Step 6: Final answer
    x = 103,852.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.