Home / 168,162.32-252,242.57-72,085.39

Finding the Fourth Proportional to 168,162.32, 252,242.57 and 72,085.39

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Solution

The fourth proportional to 168,162.32, 252,242.57 and 72,085.39 is: 108,127.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,162.32 : 252,242.57 = 72,085.39 : x
  2. Step 2: Convert to fraction form
    168,162.32/252,242.57 = 72,085.39/x
  3. Step 3: Cross multiply
    168,162.32x = 252,242.57 × 72,085.39
  4. Step 4: Simplify right side
    168,162.32x = 18,183,003,582.66
  5. Step 5: Solve for x
    x = 18,183,003,582.66/168,162.32
  6. Step 6: Final answer
    x = 108,127.69

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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.