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Finding the Fourth Proportional to 114,443.66, 171,444.08 and 64,371.62

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Solution

The fourth proportional to 114,443.66, 171,444.08 and 64,371.62 is: 96,432.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,443.66 : 171,444.08 = 64,371.62 : x
  2. Step 2: Convert to fraction form
    114,443.66/171,444.08 = 64,371.62/x
  3. Step 3: Cross multiply
    114,443.66x = 171,444.08 × 64,371.62
  4. Step 4: Simplify right side
    114,443.66x = 11,036,133,169.01
  5. Step 5: Solve for x
    x = 11,036,133,169.01/114,443.66
  6. Step 6: Final answer
    x = 96,432.89

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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.