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Finding the Fourth Proportional to 118,194.16, 163,108.40 and 64,480.36

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Solution

The fourth proportional to 118,194.16, 163,108.40 and 64,480.36 is: 88,983.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,194.16 : 163,108.40 = 64,480.36 : x
  2. Step 2: Convert to fraction form
    118,194.16/163,108.40 = 64,480.36/x
  3. Step 3: Cross multiply
    118,194.16x = 163,108.40 × 64,480.36
  4. Step 4: Simplify right side
    118,194.16x = 10,517,288,351.02
  5. Step 5: Solve for x
    x = 10,517,288,351.02/118,194.16
  6. Step 6: Final answer
    x = 88,983.15

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