Home / 109,477.22-151,066.67-64,146.20

Finding the Fourth Proportional to 109,477.22, 151,066.67 and 64,146.20

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Solution

The fourth proportional to 109,477.22, 151,066.67 and 64,146.20 is: 88,514.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,477.22 : 151,066.67 = 64,146.20 : x
  2. Step 2: Convert to fraction form
    109,477.22/151,066.67 = 64,146.20/x
  3. Step 3: Cross multiply
    109,477.22x = 151,066.67 × 64,146.20
  4. Step 4: Simplify right side
    109,477.22x = 9,690,351,751.09
  5. Step 5: Solve for x
    x = 9,690,351,751.09/109,477.22
  6. Step 6: Final answer
    x = 88,514.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.