Home / 159,207.16-238,613.91-80,343.94

Finding the Fourth Proportional to 159,207.16, 238,613.91 and 80,343.94

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Solution

The fourth proportional to 159,207.16, 238,613.91 and 80,343.94 is: 120,416.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,207.16 : 238,613.91 = 80,343.94 : x
  2. Step 2: Convert to fraction form
    159,207.16/238,613.91 = 80,343.94/x
  3. Step 3: Cross multiply
    159,207.16x = 238,613.91 × 80,343.94
  4. Step 4: Simplify right side
    159,207.16x = 19,171,181,668.21
  5. Step 5: Solve for x
    x = 19,171,181,668.21/159,207.16
  6. Step 6: Final answer
    x = 120,416.58

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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.