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Finding the Fourth Proportional to 111,151.38, 166,734.48 and 39,095.64

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Solution

The fourth proportional to 111,151.38, 166,734.48 and 39,095.64 is: 58,646.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,151.38 : 166,734.48 = 39,095.64 : x
  2. Step 2: Convert to fraction form
    111,151.38/166,734.48 = 39,095.64/x
  3. Step 3: Cross multiply
    111,151.38x = 166,734.48 × 39,095.64
  4. Step 4: Simplify right side
    111,151.38x = 6,518,591,352.28
  5. Step 5: Solve for x
    x = 6,518,591,352.28/111,151.38
  6. Step 6: Final answer
    x = 58,646.07

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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.