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Finding the Fourth Proportional to 173,255.99, 259,416.72 and 113,135.54

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Solution

The fourth proportional to 173,255.99, 259,416.72 and 113,135.54 is: 169,398.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,255.99 : 259,416.72 = 113,135.54 : x
  2. Step 2: Convert to fraction form
    173,255.99/259,416.72 = 113,135.54/x
  3. Step 3: Cross multiply
    173,255.99x = 259,416.72 × 113,135.54
  4. Step 4: Simplify right side
    173,255.99x = 29,349,249,405.15
  5. Step 5: Solve for x
    x = 29,349,249,405.15/173,255.99
  6. Step 6: Final answer
    x = 169,398.19

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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.