Home / 168,427.20-252,675.90-56,142.30

Finding the Fourth Proportional to 168,427.20, 252,675.90 and 56,142.30

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Solution

The fourth proportional to 168,427.20, 252,675.90 and 56,142.30 is: 84,225.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,427.20 : 252,675.90 = 56,142.30 : x
  2. Step 2: Convert to fraction form
    168,427.20/252,675.90 = 56,142.30/x
  3. Step 3: Cross multiply
    168,427.20x = 252,675.90 × 56,142.30
  4. Step 4: Simplify right side
    168,427.20x = 14,185,806,180.57
  5. Step 5: Solve for x
    x = 14,185,806,180.57/168,427.20
  6. Step 6: Final answer
    x = 84,225.15

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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.