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Finding the Fourth Proportional to 159,550.34, 220,175.14 and 87,930.34

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Solution

The fourth proportional to 159,550.34, 220,175.14 and 87,930.34 is: 121,341.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,550.34 : 220,175.14 = 87,930.34 : x
  2. Step 2: Convert to fraction form
    159,550.34/220,175.14 = 87,930.34/x
  3. Step 3: Cross multiply
    159,550.34x = 220,175.14 × 87,930.34
  4. Step 4: Simplify right side
    159,550.34x = 19,360,074,919.75
  5. Step 5: Solve for x
    x = 19,360,074,919.75/159,550.34
  6. Step 6: Final answer
    x = 121,341.48

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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.