Home / 109,464.87-163,951.26-66,654.35

Finding the Fourth Proportional to 109,464.87, 163,951.26 and 66,654.35

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Solution

The fourth proportional to 109,464.87, 163,951.26 and 66,654.35 is: 99,831.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,464.87 : 163,951.26 = 66,654.35 : x
  2. Step 2: Convert to fraction form
    109,464.87/163,951.26 = 66,654.35/x
  3. Step 3: Cross multiply
    109,464.87x = 163,951.26 × 66,654.35
  4. Step 4: Simplify right side
    109,464.87x = 10,928,064,666.98
  5. Step 5: Solve for x
    x = 10,928,064,666.98/109,464.87
  6. Step 6: Final answer
    x = 99,831.71

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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.