Home / 210,792.96-290,888.10-115,297.59

Finding the Fourth Proportional to 210,792.96, 290,888.10 and 115,297.59

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Solution

The fourth proportional to 210,792.96, 290,888.10 and 115,297.59 is: 159,107.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,792.96 : 290,888.10 = 115,297.59 : x
  2. Step 2: Convert to fraction form
    210,792.96/290,888.10 = 115,297.59/x
  3. Step 3: Cross multiply
    210,792.96x = 290,888.10 × 115,297.59
  4. Step 4: Simplify right side
    210,792.96x = 33,538,696,889.68
  5. Step 5: Solve for x
    x = 33,538,696,889.68/210,792.96
  6. Step 6: Final answer
    x = 159,107.29

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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.