Home / 144,721.51-217,113.45-44,879.70

Finding the Fourth Proportional to 144,721.51, 217,113.45 and 44,879.70

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Solution

The fourth proportional to 144,721.51, 217,113.45 and 44,879.70 is: 67,329.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,721.51 : 217,113.45 = 44,879.70 : x
  2. Step 2: Convert to fraction form
    144,721.51/217,113.45 = 44,879.70/x
  3. Step 3: Cross multiply
    144,721.51x = 217,113.45 × 44,879.70
  4. Step 4: Simplify right side
    144,721.51x = 9,743,986,501.97
  5. Step 5: Solve for x
    x = 9,743,986,501.97/144,721.51
  6. Step 6: Final answer
    x = 67,329.22

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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.