Home / 168,785.20-253,145.40-50,460.40

Finding the Fourth Proportional to 168,785.20, 253,145.40 and 50,460.40

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Solution

The fourth proportional to 168,785.20, 253,145.40 and 50,460.40 is: 75,680.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,785.20 : 253,145.40 = 50,460.40 : x
  2. Step 2: Convert to fraction form
    168,785.20/253,145.40 = 50,460.40/x
  3. Step 3: Cross multiply
    168,785.20x = 253,145.40 × 50,460.40
  4. Step 4: Simplify right side
    168,785.20x = 12,773,818,142.16
  5. Step 5: Solve for x
    x = 12,773,818,142.16/168,785.20
  6. Step 6: Final answer
    x = 75,680.91

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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.