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Finding the Fourth Proportional to 173,449.60, 259,785.60 and 142,345.60

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Solution

The fourth proportional to 173,449.60, 259,785.60 and 142,345.60 is: 213,199.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,449.60 : 259,785.60 = 142,345.60 : x
  2. Step 2: Convert to fraction form
    173,449.60/259,785.60 = 142,345.60/x
  3. Step 3: Cross multiply
    173,449.60x = 259,785.60 × 142,345.60
  4. Step 4: Simplify right side
    173,449.60x = 36,979,337,103.36
  5. Step 5: Solve for x
    x = 36,979,337,103.36/173,449.60
  6. Step 6: Final answer
    x = 213,199.32

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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.