Home / 210,560.43-290,566.64-115,066.83

Finding the Fourth Proportional to 210,560.43, 290,566.64 and 115,066.83

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Solution

The fourth proportional to 210,560.43, 290,566.64 and 115,066.83 is: 158,788.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,560.43 : 290,566.64 = 115,066.83 : x
  2. Step 2: Convert to fraction form
    210,560.43/290,566.64 = 115,066.83/x
  3. Step 3: Cross multiply
    210,560.43x = 290,566.64 × 115,066.83
  4. Step 4: Simplify right side
    210,560.43x = 33,434,581,593.22
  5. Step 5: Solve for x
    x = 33,434,581,593.22/210,560.43
  6. Step 6: Final answer
    x = 158,788.53

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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.