Home / 211,412.77-291,749.24-115,925.65

Finding the Fourth Proportional to 211,412.77, 291,749.24 and 115,925.65

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Solution

The fourth proportional to 211,412.77, 291,749.24 and 115,925.65 is: 159,977.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,412.77 : 291,749.24 = 115,925.65 : x
  2. Step 2: Convert to fraction form
    211,412.77/291,749.24 = 115,925.65/x
  3. Step 3: Cross multiply
    211,412.77x = 291,749.24 × 115,925.65
  4. Step 4: Simplify right side
    211,412.77x = 33,821,219,844.45
  5. Step 5: Solve for x
    x = 33,821,219,844.45/211,412.77
  6. Step 6: Final answer
    x = 159,977.19

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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.