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Finding the Fourth Proportional to 118,039.64, 177,032.46 and 33,798.20

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Solution

The fourth proportional to 118,039.64, 177,032.46 and 33,798.20 is: 50,689.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,039.64 : 177,032.46 = 33,798.20 : x
  2. Step 2: Convert to fraction form
    118,039.64/177,032.46 = 33,798.20/x
  3. Step 3: Cross multiply
    118,039.64x = 177,032.46 × 33,798.20
  4. Step 4: Simplify right side
    118,039.64x = 5,983,378,489.57
  5. Step 5: Solve for x
    x = 5,983,378,489.57/118,039.64
  6. Step 6: Final answer
    x = 50,689.57

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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.