Home / 133,941.60-200,742.30-67,400.10

Finding the Fourth Proportional to 133,941.60, 200,742.30 and 67,400.10

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Solution

The fourth proportional to 133,941.60, 200,742.30 and 67,400.10 is: 101,014.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,941.60 : 200,742.30 = 67,400.10 : x
  2. Step 2: Convert to fraction form
    133,941.60/200,742.30 = 67,400.10/x
  3. Step 3: Cross multiply
    133,941.60x = 200,742.30 × 67,400.10
  4. Step 4: Simplify right side
    133,941.60x = 13,530,051,094.23
  5. Step 5: Solve for x
    x = 13,530,051,094.23/133,941.60
  6. Step 6: Final answer
    x = 101,014.55

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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.