Home / 134,722.20-202,083.30-72,514.20

Finding the Fourth Proportional to 134,722.20, 202,083.30 and 72,514.20

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Solution

The fourth proportional to 134,722.20, 202,083.30 and 72,514.20 is: 108,771.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,722.20 : 202,083.30 = 72,514.20 : x
  2. Step 2: Convert to fraction form
    134,722.20/202,083.30 = 72,514.20/x
  3. Step 3: Cross multiply
    134,722.20x = 202,083.30 × 72,514.20
  4. Step 4: Simplify right side
    134,722.20x = 14,653,908,832.86
  5. Step 5: Solve for x
    x = 14,653,908,832.86/134,722.20
  6. Step 6: Final answer
    x = 108,771.30

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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.