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Finding the Fourth Proportional to 171,480.78, 236,651.96 and 103,496.67

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Solution

The fourth proportional to 171,480.78, 236,651.96 and 103,496.67 is: 142,830.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,480.78 : 236,651.96 = 103,496.67 : x
  2. Step 2: Convert to fraction form
    171,480.78/236,651.96 = 103,496.67/x
  3. Step 3: Cross multiply
    171,480.78x = 236,651.96 × 103,496.67
  4. Step 4: Simplify right side
    171,480.78x = 24,492,690,067.71
  5. Step 5: Solve for x
    x = 24,492,690,067.71/171,480.78
  6. Step 6: Final answer
    x = 142,830.53

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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.