Home / 144,579.93-199,514.91-80,047.89

Finding the Fourth Proportional to 144,579.93, 199,514.91 and 80,047.89

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Solution

The fourth proportional to 144,579.93, 199,514.91 and 80,047.89 is: 110,463.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,579.93 : 199,514.91 = 80,047.89 : x
  2. Step 2: Convert to fraction form
    144,579.93/199,514.91 = 80,047.89/x
  3. Step 3: Cross multiply
    144,579.93x = 199,514.91 × 80,047.89
  4. Step 4: Simplify right side
    144,579.93x = 15,970,747,569.04
  5. Step 5: Solve for x
    x = 15,970,747,569.04/144,579.93
  6. Step 6: Final answer
    x = 110,463.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.