Home / 202,118.40-302,740.20-108,514.80

Finding the Fourth Proportional to 202,118.40, 302,740.20 and 108,514.80

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Solution

The fourth proportional to 202,118.40, 302,740.20 and 108,514.80 is: 162,537.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,118.40 : 302,740.20 = 108,514.80 : x
  2. Step 2: Convert to fraction form
    202,118.40/302,740.20 = 108,514.80/x
  3. Step 3: Cross multiply
    202,118.40x = 302,740.20 × 108,514.80
  4. Step 4: Simplify right side
    202,118.40x = 32,851,792,254.96
  5. Step 5: Solve for x
    x = 32,851,792,254.96/202,118.40
  6. Step 6: Final answer
    x = 162,537.37

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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.