Home / 210,941.51-291,097.55-115,447.97

Finding the Fourth Proportional to 210,941.51, 291,097.55 and 115,447.97

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Solution

The fourth proportional to 210,941.51, 291,097.55 and 115,447.97 is: 159,317.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,941.51 : 291,097.55 = 115,447.97 : x
  2. Step 2: Convert to fraction form
    210,941.51/291,097.55 = 115,447.97/x
  3. Step 3: Cross multiply
    210,941.51x = 291,097.55 × 115,447.97
  4. Step 4: Simplify right side
    210,941.51x = 33,606,622,235.84
  5. Step 5: Solve for x
    x = 33,606,622,235.84/210,941.51
  6. Step 6: Final answer
    x = 159,317.26

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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.