Home / 210,589.13-290,608.68-115,096.51

Finding the Fourth Proportional to 210,589.13, 290,608.68 and 115,096.51

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Solution

The fourth proportional to 210,589.13, 290,608.68 and 115,096.51 is: 158,830.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,589.13 : 290,608.68 = 115,096.51 : x
  2. Step 2: Convert to fraction form
    210,589.13/290,608.68 = 115,096.51/x
  3. Step 3: Cross multiply
    210,589.13x = 290,608.68 × 115,096.51
  4. Step 4: Simplify right side
    210,589.13x = 33,448,044,843.71
  5. Step 5: Solve for x
    x = 33,448,044,843.71/210,589.13
  6. Step 6: Final answer
    x = 158,830.82

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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.