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Finding the Fourth Proportional to 115,219.37, 172,829.06 and 36,339.73

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Solution

The fourth proportional to 115,219.37, 172,829.06 and 36,339.73 is: 54,509.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,219.37 : 172,829.06 = 36,339.73 : x
  2. Step 2: Convert to fraction form
    115,219.37/172,829.06 = 36,339.73/x
  3. Step 3: Cross multiply
    115,219.37x = 172,829.06 × 36,339.73
  4. Step 4: Simplify right side
    115,219.37x = 6,280,561,376.55
  5. Step 5: Solve for x
    x = 6,280,561,376.55/115,219.37
  6. Step 6: Final answer
    x = 54,509.60

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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.