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Finding the Fourth Proportional to 202,086.59, 278,879.49 and 116,051.22

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Solution

The fourth proportional to 202,086.59, 278,879.49 and 116,051.22 is: 160,150.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,086.59 : 278,879.49 = 116,051.22 : x
  2. Step 2: Convert to fraction form
    202,086.59/278,879.49 = 116,051.22/x
  3. Step 3: Cross multiply
    202,086.59x = 278,879.49 × 116,051.22
  4. Step 4: Simplify right side
    202,086.59x = 32,364,305,047.48
  5. Step 5: Solve for x
    x = 32,364,305,047.48/202,086.59
  6. Step 6: Final answer
    x = 160,150.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.