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Finding the Fourth Proportional to 168,547.52, 252,821.18 and 50,215.80

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Solution

The fourth proportional to 168,547.52, 252,821.18 and 50,215.80 is: 75,323.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,547.52 : 252,821.18 = 50,215.80 : x
  2. Step 2: Convert to fraction form
    168,547.52/252,821.18 = 50,215.80/x
  3. Step 3: Cross multiply
    168,547.52x = 252,821.18 × 50,215.80
  4. Step 4: Simplify right side
    168,547.52x = 12,695,617,810.64
  5. Step 5: Solve for x
    x = 12,695,617,810.64/168,547.52
  6. Step 6: Final answer
    x = 75,323.67

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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.