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Finding the Fourth Proportional to 168,518.58, 252,811.02 and 56,197.32

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Solution

The fourth proportional to 168,518.58, 252,811.02 and 56,197.32 is: 84,307.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,518.58 : 252,811.02 = 56,197.32 : x
  2. Step 2: Convert to fraction form
    168,518.58/252,811.02 = 56,197.32/x
  3. Step 3: Cross multiply
    168,518.58x = 252,811.02 × 56,197.32
  4. Step 4: Simplify right side
    168,518.58x = 14,207,301,790.47
  5. Step 5: Solve for x
    x = 14,207,301,790.47/168,518.58
  6. Step 6: Final answer
    x = 84,307.03

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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.