Home / 178,965.82-268,643.26-72,423.14

Finding the Fourth Proportional to 178,965.82, 268,643.26 and 72,423.14

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Solution

The fourth proportional to 178,965.82, 268,643.26 and 72,423.14 is: 108,713.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,965.82 : 268,643.26 = 72,423.14 : x
  2. Step 2: Convert to fraction form
    178,965.82/268,643.26 = 72,423.14/x
  3. Step 3: Cross multiply
    178,965.82x = 268,643.26 × 72,423.14
  4. Step 4: Simplify right side
    178,965.82x = 19,455,988,429.04
  5. Step 5: Solve for x
    x = 19,455,988,429.04/178,965.82
  6. Step 6: Final answer
    x = 108,713.43

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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.