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Finding the Fourth Proportional to 114,661.44, 158,230.08 and 64,376.64

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Solution

The fourth proportional to 114,661.44, 158,230.08 and 64,376.64 is: 88,838.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,661.44 : 158,230.08 = 64,376.64 : x
  2. Step 2: Convert to fraction form
    114,661.44/158,230.08 = 64,376.64/x
  3. Step 3: Cross multiply
    114,661.44x = 158,230.08 × 64,376.64
  4. Step 4: Simplify right side
    114,661.44x = 10,186,320,897.33
  5. Step 5: Solve for x
    x = 10,186,320,897.33/114,661.44
  6. Step 6: Final answer
    x = 88,838.24

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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.