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Finding the Fourth Proportional to 173,911.20, 260,832.60 and 55,550.64

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Solution

The fourth proportional to 173,911.20, 260,832.60 and 55,550.64 is: 83,315.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,911.20 : 260,832.60 = 55,550.64 : x
  2. Step 2: Convert to fraction form
    173,911.20/260,832.60 = 55,550.64/x
  3. Step 3: Cross multiply
    173,911.20x = 260,832.60 × 55,550.64
  4. Step 4: Simplify right side
    173,911.20x = 14,489,417,862.86
  5. Step 5: Solve for x
    x = 14,489,417,862.86/173,911.20
  6. Step 6: Final answer
    x = 83,315.04

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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.