Home / 168,426.28-252,420.04-68,469.72

Finding the Fourth Proportional to 168,426.28, 252,420.04 and 68,469.72

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Solution

The fourth proportional to 168,426.28, 252,420.04 and 68,469.72 is: 102,615.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,426.28 : 252,420.04 = 68,469.72 : x
  2. Step 2: Convert to fraction form
    168,426.28/252,420.04 = 68,469.72/x
  3. Step 3: Cross multiply
    168,426.28x = 252,420.04 × 68,469.72
  4. Step 4: Simplify right side
    168,426.28x = 17,283,129,461.19
  5. Step 5: Solve for x
    x = 17,283,129,461.19/168,426.28
  6. Step 6: Final answer
    x = 102,615.40

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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.