Home / 144,057.13-216,004.69-99,131.29

Finding the Fourth Proportional to 144,057.13, 216,004.69 and 99,131.29

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Solution

The fourth proportional to 144,057.13, 216,004.69 and 99,131.29 is: 148,641.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,057.13 : 216,004.69 = 99,131.29 : x
  2. Step 2: Convert to fraction form
    144,057.13/216,004.69 = 99,131.29/x
  3. Step 3: Cross multiply
    144,057.13x = 216,004.69 × 99,131.29
  4. Step 4: Simplify right side
    144,057.13x = 21,412,823,149.65
  5. Step 5: Solve for x
    x = 21,412,823,149.65/144,057.13
  6. Step 6: Final answer
    x = 148,641.19

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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.