Home / 168,300.28-252,209.85-123,576.13

Finding the Fourth Proportional to 168,300.28, 252,209.85 and 123,576.13

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Solution

The fourth proportional to 168,300.28, 252,209.85 and 123,576.13 is: 185,187.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,300.28 : 252,209.85 = 123,576.13 : x
  2. Step 2: Convert to fraction form
    168,300.28/252,209.85 = 123,576.13/x
  3. Step 3: Cross multiply
    168,300.28x = 252,209.85 × 123,576.13
  4. Step 4: Simplify right side
    168,300.28x = 31,167,117,210.88
  5. Step 5: Solve for x
    x = 31,167,117,210.88/168,300.28
  6. Step 6: Final answer
    x = 185,187.55

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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.