Home / 210,792.69-290,896.20-115,297.29

Finding the Fourth Proportional to 210,792.69, 290,896.20 and 115,297.29

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Solution

The fourth proportional to 210,792.69, 290,896.20 and 115,297.29 is: 159,111.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,792.69 : 290,896.20 = 115,297.29 : x
  2. Step 2: Convert to fraction form
    210,792.69/290,896.20 = 115,297.29/x
  3. Step 3: Cross multiply
    210,792.69x = 290,896.20 × 115,297.29
  4. Step 4: Simplify right side
    210,792.69x = 33,539,543,531.30
  5. Step 5: Solve for x
    x = 33,539,543,531.30/210,792.69
  6. Step 6: Final answer
    x = 159,111.51

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1.5x scale

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.