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Finding the Fourth Proportional to 173,393.60, 259,701.60 and 142,289.60

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Solution

The fourth proportional to 173,393.60, 259,701.60 and 142,289.60 is: 213,115.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,393.60 : 259,701.60 = 142,289.60 : x
  2. Step 2: Convert to fraction form
    173,393.60/259,701.60 = 142,289.60/x
  3. Step 3: Cross multiply
    173,393.60x = 259,701.60 × 142,289.60
  4. Step 4: Simplify right side
    173,393.60x = 36,952,836,783.36
  5. Step 5: Solve for x
    x = 36,952,836,783.36/173,393.60
  6. Step 6: Final answer
    x = 213,115.34

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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.