Home / 144,956.51-217,455.26-45,126.78

Finding the Fourth Proportional to 144,956.51, 217,455.26 and 45,126.78

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Solution

The fourth proportional to 144,956.51, 217,455.26 and 45,126.78 is: 67,696.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,956.51 : 217,455.26 = 45,126.78 : x
  2. Step 2: Convert to fraction form
    144,956.51/217,455.26 = 45,126.78/x
  3. Step 3: Cross multiply
    144,956.51x = 217,455.26 × 45,126.78
  4. Step 4: Simplify right side
    144,956.51x = 9,813,055,452.23
  5. Step 5: Solve for x
    x = 9,813,055,452.23/144,956.51
  6. Step 6: Final answer
    x = 67,696.55

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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.