Home / 129,013.20-193,260.60-73,544.40

Finding the Fourth Proportional to 129,013.20, 193,260.60 and 73,544.40

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Solution

The fourth proportional to 129,013.20, 193,260.60 and 73,544.40 is: 110,168.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,013.20 : 193,260.60 = 73,544.40 : x
  2. Step 2: Convert to fraction form
    129,013.20/193,260.60 = 73,544.40/x
  3. Step 3: Cross multiply
    129,013.20x = 193,260.60 × 73,544.40
  4. Step 4: Simplify right side
    129,013.20x = 14,213,234,870.64
  5. Step 5: Solve for x
    x = 14,213,234,870.64/129,013.20
  6. Step 6: Final answer
    x = 110,168.84

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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.