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Finding the Fourth Proportional to 180,102.93, 270,154.40 and 67,808.34

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Solution

The fourth proportional to 180,102.93, 270,154.40 and 67,808.34 is: 101,712.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,102.93 : 270,154.40 = 67,808.34 : x
  2. Step 2: Convert to fraction form
    180,102.93/270,154.40 = 67,808.34/x
  3. Step 3: Cross multiply
    180,102.93x = 270,154.40 × 67,808.34
  4. Step 4: Simplify right side
    180,102.93x = 18,318,721,116.33
  5. Step 5: Solve for x
    x = 18,318,721,116.33/180,102.93
  6. Step 6: Final answer
    x = 101,712.51

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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.