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Finding the Fourth Proportional to 134,517.60, 201,776.40 and 120,002.40

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Solution

The fourth proportional to 134,517.60, 201,776.40 and 120,002.40 is: 180,003.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,517.60 : 201,776.40 = 120,002.40 : x
  2. Step 2: Convert to fraction form
    134,517.60/201,776.40 = 120,002.40/x
  3. Step 3: Cross multiply
    134,517.60x = 201,776.40 × 120,002.40
  4. Step 4: Simplify right side
    134,517.60x = 24,213,652,263.36
  5. Step 5: Solve for x
    x = 24,213,652,263.36/134,517.60
  6. Step 6: Final answer
    x = 180,003.60

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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.