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Finding the Fourth Proportional to 112,795.50, 169,203.69 and 36,894.47

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Solution

The fourth proportional to 112,795.50, 169,203.69 and 36,894.47 is: 55,345.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,795.50 : 169,203.69 = 36,894.47 : x
  2. Step 2: Convert to fraction form
    112,795.50/169,203.69 = 36,894.47/x
  3. Step 3: Cross multiply
    112,795.50x = 169,203.69 × 36,894.47
  4. Step 4: Simplify right side
    112,795.50x = 6,242,680,464.59
  5. Step 5: Solve for x
    x = 6,242,680,464.59/112,795.50
  6. Step 6: Final answer
    x = 55,345.12

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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.