Home / 210,886.03-291,022.72-115,392.73

Finding the Fourth Proportional to 210,886.03, 291,022.72 and 115,392.73

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Solution

The fourth proportional to 210,886.03, 291,022.72 and 115,392.73 is: 159,241.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,886.03 : 291,022.72 = 115,392.73 : x
  2. Step 2: Convert to fraction form
    210,886.03/291,022.72 = 115,392.73/x
  3. Step 3: Cross multiply
    210,886.03x = 291,022.72 × 115,392.73
  4. Step 4: Simplify right side
    210,886.03x = 33,581,905,513.04
  5. Step 5: Solve for x
    x = 33,581,905,513.04/210,886.03
  6. Step 6: Final answer
    x = 159,241.96

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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.