Home / 134,934.80-202,078.20-72,467.60

Finding the Fourth Proportional to 134,934.80, 202,078.20 and 72,467.60

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Solution

The fourth proportional to 134,934.80, 202,078.20 and 72,467.60 is: 108,527.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,934.80 : 202,078.20 = 72,467.60 : x
  2. Step 2: Convert to fraction form
    134,934.80/202,078.20 = 72,467.60/x
  3. Step 3: Cross multiply
    134,934.80x = 202,078.20 × 72,467.60
  4. Step 4: Simplify right side
    134,934.80x = 14,644,122,166.32
  5. Step 5: Solve for x
    x = 14,644,122,166.32/134,934.80
  6. Step 6: Final answer
    x = 108,527.39

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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.