Home / 144,923.51-217,422.33-45,084.57

Finding the Fourth Proportional to 144,923.51, 217,422.33 and 45,084.57

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Solution

The fourth proportional to 144,923.51, 217,422.33 and 45,084.57 is: 67,638.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,923.51 : 217,422.33 = 45,084.57 : x
  2. Step 2: Convert to fraction form
    144,923.51/217,422.33 = 45,084.57/x
  3. Step 3: Cross multiply
    144,923.51x = 217,422.33 × 45,084.57
  4. Step 4: Simplify right side
    144,923.51x = 9,802,391,272.05
  5. Step 5: Solve for x
    x = 9,802,391,272.05/144,923.51
  6. Step 6: Final answer
    x = 67,638.38

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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.