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Finding the Fourth Proportional to 173,141.55, 259,712.33 and 117,008.55

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Solution

The fourth proportional to 173,141.55, 259,712.33 and 117,008.55 is: 175,512.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,141.55 : 259,712.33 = 117,008.55 : x
  2. Step 2: Convert to fraction form
    173,141.55/259,712.33 = 117,008.55/x
  3. Step 3: Cross multiply
    173,141.55x = 259,712.33 × 117,008.55
  4. Step 4: Simplify right side
    173,141.55x = 30,388,562,565.38
  5. Step 5: Solve for x
    x = 30,388,562,565.38/173,141.55
  6. Step 6: Final answer
    x = 175,512.83

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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.