Home / 168,309.90-252,517.23-49,981.86

Finding the Fourth Proportional to 168,309.90, 252,517.23 and 49,981.86

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Solution

The fourth proportional to 168,309.90, 252,517.23 and 49,981.86 is: 74,988.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,309.90 : 252,517.23 = 49,981.86 : x
  2. Step 2: Convert to fraction form
    168,309.90/252,517.23 = 49,981.86/x
  3. Step 3: Cross multiply
    168,309.90x = 252,517.23 × 49,981.86
  4. Step 4: Simplify right side
    168,309.90x = 12,621,280,837.45
  5. Step 5: Solve for x
    x = 12,621,280,837.45/168,309.90
  6. Step 6: Final answer
    x = 74,988.34

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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.